Flight
DAL21
Flight history and live tracking for DAL21, operated by Delta Air Lines. Recent flights from the PlaneTrack independent receiver network, with departure and arrival times, aircraft used, and a real-time position feed.
Route
| Airline | Delta Air Lines |
| Typical origin | EGLL HEATHROW |
| Typical destination | KSEA SEATTLE TACOMA INTERNATIONAL |
| Distance | 4,158 nm |
Flight history 313 flights since Aug 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-02 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 01:11 BST | 19:41 PDT | 26h 30m | N403DX |
| 2026-10-01 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 18:08 BST | 19:25 PDT | 9h 17m | |
| 2026-09-30estimated | CYZH | KSEA | 18:34 MDT | 19:48 PDT | 2h 13m | N408DX |
| 2026-09-29 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 01:59 BST | 19:13 PDT | 25h 14m | N408DX |
| 2026-09-28 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 17:53 BST | 19:24 PDT | 9h 31m | N408DX |
| 2026-09-27 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 18:54 BST | 20:22 PDT | 9h 28m | N428DX |
| 2026-09-26 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 18:10 BST | 19:49 PDT | 9h 39m | N433DX |
| 2026-09-25 | EGLL HEATHROW | KSEA SEATTLE TACOMA INTERNATIONAL | 18:20 BST | 19:57 PDT | 9h 37m | N404DX |
| 2026-09-24partial | CYZH | ? | 19:34 MDT | N414DZ | ||
| 2026-09-23partial | ? | ? | 01:44Z | N409DX | ||
| 2026-09-22partial | CYZH | ? | 18:33 MDT | A54137 | ||
| 2026-09-21partial | ? | ? | 01:23Z | N416DX | ||
| 2026-09-20partial | ? | ? | 01:34Z | N411DX | ||
| 2026-09-19estimated | ? | ? | 01:35Z | 17:52Z | 16h 16m | A51D6F |
| 2026-09-18partial | KSEA | ? | 19:38 PDT | A51D6F | ||
| 2026-09-18estimated | CYZH | KSEA | 18:57 MDT | 19:38 PDT | 1h 40m | A51D6F |
| 2026-09-17estimated | EGLL | KSEA | 13:57 BST | 12:28 PDT | 6h 31m | N419DX |
| 2026-09-17estimated | CYZH | KSEA | 18:50 MDT | 19:22 PDT | 1h 31m | N419DX |
| 2026-09-16estimated | ? | ? | 01:52Z | 19:22Z | 17h 30m | A519B8 |
| 2026-09-15estimated | EGLL | KSEA | 05:50 BST | 13:10 PDT | 15h 19m | A519B8 |
| 2026-09-15estimated | CYZH | KSEA | 19:25 MDT | 19:58 PDT | 1h 33m | A519B8 |
| 2026-09-14 | EGLL | KSEA | 06:14 BST | 13:48 PDT | 15h 34m | N416DX |
| 2026-09-14estimated | CYZH | KSEA | 20:22 MDT | 20:48 PDT | 1h 26m | N416DX |
| 2026-09-13partial | ? | ? | 01:22Z | N416DX | ||
| 2026-09-12estimated | ? | ? | 01:21Z | 18:34Z | 17h 12m | N416DX |
| 2026-09-11estimated | ? | ? | 06:02Z | 19:10Z | 13h 07m | A52EA4 |
| 2026-09-11estimated | CYZH | KSEA | 21:23 MDT | 22:06 PDT | 1h 42m | A52EA4 |
| 2026-09-10estimated | EGLL | KSEA | 05:07 BST | 12:22 PDT | 15h 14m | N411DX |
| 2026-09-10estimated | CYZH | KSEA | 19:15 MDT | 20:00 PDT | 1h 44m | N411DX |
| 2026-09-09partial | KSEA | ? | 23:40 PDT | A519B8 | ||
| 2026-09-09estimated | CYZH | KSEA | 23:09 MDT | 23:38 PDT | 1h 28m | A519B8 |
| 2026-09-08estimated | EGLL | KSEA | 19:29 BST | 14:44 PDT | 3h 14m | N407DX |
| 2026-09-08estimated | CYZH | KSEA | 20:04 MDT | 19:42 PDT | 0h 37m | N407DX |
| 2026-09-07estimated | CYZH | KSEA | 19:46 MDT | 20:02 PDT | 1h 15m | A50ADC |
| 2026-09-06partial | KSEA | ? | 19:36 PDT | A53D80 | ||
| 2026-09-06estimated | CYZH | KSEA | 19:17 MDT | 19:36 PDT | 1h 19m | A53D80 |
| 2026-09-05estimated | CYZH | KSEA | 19:39 MDT | 11:28 PDT | 16h 48m | N401DZ |
| 2026-09-04partial | CYZH | ? | 18:53 MDT | N410DZ | ||
| 2026-09-03estimated | ? | ? | 18:57Z | 21:00Z | 2h 03m | N414DZ |
| 2026-09-03estimated | ? | ? | 02:56Z | 18:12Z | 15h 15m | N414DZ |
| 2026-09-03estimated | CYZH | KSEA | 19:08 MDT | 19:32 PDT | 1h 23m | N414DZ |
Earlier flights (272) - back to 2025-08-15
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-01partial | KSEA | ? | 19:36 PDT | N409DX | ||
| 2026-09-01estimated | CYZH | KSEA | 18:48 MDT | 19:36 PDT | 1h 47m | N409DX |
| 2026-08-31partial | KSEA | ? | 20:48 PDT | A52EA4 | ||
| 2026-08-31estimated | CYZH | KSEA | 20:11 MDT | 20:46 PDT | 1h 35m | A52EA4 |
| 2026-08-30estimated | ? | ? | 17:55Z | 20:34Z | 2h 38m | A519B8 |
| 2026-08-30estimated | CYZH | KSEA | 18:52 MDT | 19:14 PDT | 1h 22m | A519B8 |
| 2026-08-29estimated | ? | ? | 01:58Z | 19:32Z | 17h 33m | A539C9 |
| 2026-08-28estimated | ? | ? | 05:03Z | 20:46Z | 15h 42m | A52AED |
| 2026-08-28estimated | ? | ? | 02:19Z | 04:02Z | 1h 42m | A52AED |
| 2026-08-27partial | ? | ? | 00:57Z | N414DZ | ||
| 2026-08-26estimated | EGLL | KSEA | 05:59 BST | 12:32 PDT | 14h 32m | N414DZ |
| 2026-08-26estimated | CYZH | KSEA | 18:47 MDT | 19:24 PDT | 1h 37m | N414DZ |
| 2026-08-25estimated | ? | ? | 05:17Z | 19:24Z | 14h 06m | N414DZ |
| 2026-08-25estimated | CYZH | KSEA | 18:56 MDT | 19:32 PDT | 1h 35m | A5325B |
| 2026-08-24estimated | ? | ? | 02:06Z | 18:08Z | 16h 01m | N414DZ |
| 2026-08-23 | EGLL | ? | 18:37 BST | 20:38Z | 3h 00m | A5124C |
| 2026-08-23estimated | CYZH | KSEA | 19:03 MDT | 20:00 PDT | 1h 56m | A5124C |
| 2026-08-22partial | KSEA | ? | 20:08 PDT | A544EE | ||
| 2026-08-22estimated | CYZH | KSEA | 19:16 MDT | 20:08 PDT | 1h 51m | A544EE |
| 2026-08-21estimated | CYZH | KSEA | 19:27 MDT | 12:12 PDT | 17h 44m | N412DX |
| 2026-08-20partial | ? | ? | 01:06Z | N412DX | ||
| 2026-08-19partial | ? | ? | 00:57Z | N412DX | ||
| 2026-08-18partial | ? | ? | 00:54Z | N429DX | ||
| 2026-08-17estimated | ? | ? | 02:07Z | 19:56Z | 17h 48m | N426DZ |
| 2026-08-16partial | ? | ? | 01:13Z | N427DX | ||
| 2026-08-15estimated | ? | ? | 02:37Z | 20:24Z | 17h 46m | N401DZ |
| 2026-08-14partial | ? | ? | 00:59Z | N401DZ | ||
| 2026-08-13partial | ? | ? | 00:51Z | N403DX | ||
| 2026-08-12partial | ? | ? | 00:58Z | N403DX | ||
| 2026-07-23estimated | ? | ? | 01:53Z | 18:44Z | 16h 50m | N421DX |
| 2026-07-22estimated | ? | ? | 00:59Z | 18:34Z | 17h 34m | A53612 |
| 2026-07-21estimated | CYZH | KSEA | 19:21 MDT | 11:50 PDT | 17h 28m | A53D80 |
| 2026-07-20estimated | ? | ? | 05:27Z | 18:54Z | 13h 26m | A54137 |
| 2026-07-20estimated | ? | KSEA | 02:23Z | 20:54 PDT | 1h 30m | A54137 |
| 2026-07-19partial | ? | ? | 01:07Z | A53612 | ||
| 2026-07-18estimated | ? | ? | 04:09Z | 19:32Z | 15h 22m | A51D6F |
| 2026-07-18estimated | ? | KSEA | 01:07Z | 19:38 PDT | 1h 30m | A51D6F |
| 2026-07-17estimated | ? | ? | 01:17Z | 18:18Z | 17h 00m | A51D6F |
| 2026-07-16partial | ? | ? | 00:53Z | A544EE | ||
| 2026-07-15estimated | ? | ? | 03:32Z | 18:30Z | 14h 57m | A51601 |
| 2026-07-15estimated | ? | ? | 00:57Z | 02:46Z | 1h 48m | A51601 |
| 2026-07-14 | EGLL | KSEA | 05:38 BST | 14:00 PDT | 16h 21m | A53612 |
| 2026-07-14partial | KSEA | ? | 19:28 PDT | A53612 | ||
| 2026-07-13estimated | ? | ? | 14:59Z | 21:03Z | 6h 04m | N809NW |
| 2026-07-13estimated | CYPE | ? | 20:15 MDT | 04:26Z | 2h 10m | N809NW |
| 2026-07-12estimated | CYET | ? | 19:41 MDT | 19:28Z | 17h 46m | A50370 |
| 2026-07-11estimated | CYZH | ? | 19:21 MDT | 18:34Z | 17h 12m | A50370 |
| 2026-07-10estimated | ? | ? | 04:08Z | 18:44Z | 14h 35m | A539C9 |
| 2026-07-10estimated | CYET | ? | 19:25 MDT | 02:50Z | 1h 24m | A539C9 |
| 2026-07-09partial | CYET | ? | 18:57 MDT | N403DX | ||
| 2026-07-08partial | CYZH | ? | 19:12 MDT | N410DZ | ||
| 2026-07-07partial | CYZH | ? | 19:19 MDT | N415DX | ||
| 2026-07-06estimated | CYZU | ? | 20:15 MDT | 18:32Z | 16h 17m | N415DX |
| 2026-07-05partial | EGLL | ? | 06:42 BST | A4F239 | ||
| 2026-07-04partial | CYZH | ? | 19:11 MDT | N408DX | ||
| 2026-07-03partial | ? | ? | 01:00Z | N408DX | ||
| 2026-07-02partial | CYLL | ? | 18:41 MDT | N408DX | ||
| 2026-07-01estimated | ? | ? | 01:08Z | 18:02Z | 16h 53m | A5237F |
| 2026-06-30partial | ? | ? | 01:01Z | A52AED | ||
| 2026-06-29partial | ? | ? | 01:26Z | A51D6F | ||
| 2026-06-28partial | CYZH | ? | 18:37 MDT | N403DX | ||
| 2026-06-27estimated | ? | ? | 00:57Z | 18:04Z | 17h 07m | N403DX |
| 2026-06-26partial | CYZH | ? | 18:48 MDT | N410DZ | ||
| 2026-06-25partial | CYZH | ? | 18:47 MDT | N404DX | ||
| 2026-06-24partial | ? | ? | 00:54Z | N403DX | ||
| 2026-06-23partial | ? | ? | 01:10Z | N403DX | ||
| 2026-06-22partial | CYZH | ? | 20:04 MDT | A53D80 | ||
| 2026-06-21partial | ? | ? | 00:56Z | N414DZ | ||
| 2026-06-20partial | CYZU | ? | 18:54 MDT | A51601 | ||
| 2026-06-19partial | CYZU | ? | 19:00 MDT | A54137 | ||
| 2026-06-18partial | CYZU | ? | 18:52 MDT | A54137 | ||
| 2026-06-17partial | CYZH | ? | 18:46 MDT | N415DX | ||
| 2026-06-16partial | CYZH | ? | 18:50 MDT | N415DX | ||
| 2026-06-15estimated | CYZH | ? | 19:50 MDT | 19:28Z | 17h 38m | N420DX |
| 2026-06-14partial | ? | ? | 00:54Z | A50E93 | ||
| 2026-06-13partial | CYOD | ? | 18:48 MDT | N410DZ | ||
| 2026-06-12partial | CYZU | ? | 19:08 MDT | N410DZ | ||
| 2026-05-29estimated | ? | ? | 01:19Z | 18:14Z | 16h 54m | N411DX |
| 2026-05-28estimated | CYLL | ? | 19:55 MDT | 18:40Z | 16h 44m | N418DX |
| 2026-05-27estimated | ? | ? | 02:06Z | 19:02Z | 16h 55m | N418DX |
| 2026-05-26partial | CYZH | ? | 19:15 MDT | A54137 | ||
| 2026-05-25estimated | CYZH | ? | 19:56 MDT | 19:40Z | 17h 43m | N409DX |
| 2026-05-24partial | ? | ? | 01:02Z | N407DX | ||
| 2026-05-23partial | ? | ? | 00:49Z | A53612 | ||
| 2026-05-22partial | ? | ? | 00:46Z | N405DX | ||
| 2026-05-21partial | CYZH | ? | 19:00 MDT | N421DX | ||
| 2026-05-20estimated | EGLL | ? | 02:17 BST | 18:22Z | 17h 04m | N414DZ |
| 2026-05-19partial | KSEA | ? | 18:34 PDT | A53612 | ||
| 2026-05-12estimated | CYPE | ? | 19:14 MDT | 18:08Z | 16h 53m | N414DZ |
| 2026-05-11partial | ? | ? | 01:49Z | N402DX | ||
| 2026-05-10estimated | ? | ? | 01:05Z | 18:52Z | 17h 46m | A54137 |
| 2026-05-09estimated | ? | ? | 01:02Z | 18:08Z | 17h 05m | A5237F |
| 2026-05-08estimated | ? | ? | 00:37Z | 18:08Z | 17h 30m | N413DX |
| 2026-05-07estimated | ? | ? | 00:44Z | 17:54Z | 17h 09m | N408DX |
| 2026-05-06estimated | ? | ? | 00:45Z | 18:12Z | 17h 26m | A52EA4 |
| 2026-05-05estimated | ? | ? | 01:10Z | 18:12Z | 17h 01m | N405DX |
| 2026-05-04estimated | ? | ? | 04:08Z | 18:18Z | 14h 09m | N417DX |
| 2026-05-03partial | ? | ? | 01:21Z | N417DX | ||
| 2026-05-02partial | CYZH | ? | 20:24 MDT | N418DX | ||
| 2026-05-01estimated | ? | ? | 03:02Z | 20:30Z | 17h 27m | N402DX |
| 2026-04-30partial | ? | ? | 01:07Z | A51601 | ||
| 2026-04-29estimated | ? | ? | 00:52Z | 18:20Z | 17h 27m | A51601 |
| 2026-04-28estimated | ? | ? | 00:55Z | 18:10Z | 17h 15m | A5124C |
| 2026-04-27partial | KPAE | ? | 18:51 PDT | A519B8 | ||
| 2026-04-26partial | CYLL | ? | 18:34 MDT | N418DX | ||
| 2026-04-25partial | CYLL | ? | 18:48 MDT | N420DX | ||
| 2026-04-24estimated | CYZH | KSEA | 18:59 MDT | 11:24 PDT | 17h 24m | N420DX |
| 2026-04-23estimated | ? | ? | 01:06Z | 18:12Z | 17h 05m | N404DX |
| 2026-04-22partial | ? | ? | 00:57Z | N402DX | ||
| 2026-04-21partial | ? | ? | 01:09Z | N403DX | ||
| 2026-04-20estimated | ? | ? | 02:20Z | 18:20Z | 15h 59m | A51D6F |
| 2026-04-19partial | ? | ? | 00:55Z | A53D80 | ||
| 2026-04-18estimated | ? | ? | 01:37Z | 17:58Z | 16h 20m | N409DX |
| 2026-04-17partial | ? | ? | 00:44Z | N418DX | ||
| 2026-04-16partial | ? | ? | 00:34Z | A5237F | ||
| 2026-04-15partial | ? | ? | 00:59Z | A519B8 | ||
| 2026-04-14partial | ? | ? | 00:41Z | A544EE | ||
| 2026-04-13estimated | ? | KSEA | 01:43Z | 19:58 PDT | 1h 14m | A544EE |
| 2026-04-12estimated | ? | KSEA | 00:37Z | 18:58 PDT | 1h 21m | N408DX |
| 2026-04-11estimated | EGLL | KSEA | 18:02 BST | 11:02 PDT | 0h 59m | N408DX |
| 2026-04-06estimated | CYZH | KSEA | 20:02 MDT | 20:32 PDT | 1h 29m | N417DX |
| 2026-04-05partial | CYZH | ? | 18:40 MDT | A54137 | ||
| 2026-04-04partial | CYZH | ? | 19:14 MDT | N403DX | ||
| 2026-04-03estimated | ? | ? | 01:20Z | 18:20Z | 16h 59m | A50370 |
| 2026-04-02partial | CYZH | ? | 19:01 MDT | A51D6F | ||
| 2026-04-01estimated | ? | KSEA | 01:22Z | 19:32 PDT | 1h 10m | N410DZ |
| 2026-03-31partial | KSEA | ? | 19:56 PDT | A53612 | ||
| 2026-03-31estimated | ? | KSEA | 01:19Z | 19:50 PDT | 1h 30m | A53612 |
| 2026-03-30estimated | ? | ? | 02:31Z | 19:56Z | 17h 24m | A5237F |
| 2026-03-29estimated | EGLL | KSEA | 19:04 BST | 14:08 PDT | 3h 03m | A5237F |
| 2026-03-28estimated | CYZH | KSEA | 07:43 MDT | 16:02 PDT | 9h 18m | A53612 |
| 2026-03-16estimated | ? | KSEA | 00:54Z | 06:54 PDT | 12h 59m | N861NW |
| 2026-03-15estimated | EGLL | KSEA | 12:45 GMT | 15:18 PDT | 9h 33m | N861NW |
| 2026-03-14partial | CYZH | ? | 20:00 MDT | N854NW | ||
| 2026-03-13partial | EGLL | ? | 00:52 GMT | N852NW | ||
| 2026-03-12partial | EGLL | ? | 00:50 GMT | N855NW | ||
| 2026-03-11 | EGLL | KSEA | 12:45 GMT | 15:44 PDT | 9h 59m | N855NW |
| 2026-03-10 | EGLL | KSEA | 12:37 GMT | 15:22 PDT | 9h 44m | N859NW |
| 2026-03-09 | EGLL | KSEA | 12:32 GMT | 14:56 PDT | 9h 23m | N861NW |
| 2026-03-08 | EGLL | KSEA | 12:20 GMT | 15:26 PDT | 10h 05m | N851NW |
| 2026-03-07partial | EGLL | ? | 02:01 GMT | N413DX | ||
| 2026-03-06 | EGLL | KBFI | 14:39 GMT | 15:56 PST | 9h 16m | N413DX |
| 2026-03-05 | EGLL | KBFI | 12:22 GMT | 13:50 PST | 9h 28m | N856NW |
| 2026-03-04 | EGLL | KSEA | 12:34 GMT | 14:14 PST | 9h 39m | N860NW |
| 2026-03-03 | EGLL | KSEA | 12:46 GMT | 14:52 PST | 10h 05m | N854NW |
| 2026-03-02 | EGLL | KBFI | 12:23 GMT | 14:16 PST | 9h 52m | N853NW |
| 2026-03-01 | EGLL | KSEA | 12:31 GMT | 14:20 PST | 9h 49m | N852NW |
| 2026-02-28 | EGLL | KSEA | 12:36 GMT | 14:30 PST | 9h 53m | N852NW |
| 2026-02-27 | EGLL | KSEA | 12:34 GMT | 14:10 PST | 9h 35m | N856NW |
| 2026-02-26 | EGLL | KSEA | 12:49 GMT | 15:50 PST | 11h 00m | N854NW |
| 2026-02-25 | EGLL | KSEA | 12:36 GMT | 14:10 PST | 9h 33m | N859NW |
| 2026-02-24 | EGLL | KSEA | 12:30 GMT | 14:20 PST | 9h 49m | N861NW |
| 2026-02-23 | EGLL | KSEA | 12:38 GMT | 14:42 PST | 10h 03m | N852NW |
| 2026-02-22 | EGLL | KBFI | 12:41 GMT | 14:23 PST | 9h 41m | N860NW |
| 2026-02-21 | EGLL | KSEA | 12:19 GMT | 14:34 PST | 10h 14m | N857NW |
| 2026-02-20 | EGLL | KSEA | 12:51 GMT | 14:38 PST | 9h 46m | N853NW |
| 2026-02-19 | EGLL | KSEA | 12:48 GMT | 14:30 PST | 9h 42m | N853NW |
| 2026-02-18 | EGLL | KSEA | 12:17 GMT | 14:08 PST | 9h 50m | N853NW |
| 2026-02-17 | EGLL | KSEA | 12:25 GMT | 14:18 PST | 9h 52m | N859NW |
| 2026-02-16 | EGLL | KSEA | 12:40 GMT | 14:52 PST | 10h 11m | N855NW |
| 2026-02-15partial | CYZH | ? | 17:02 MST | N855NW | ||
| 2026-02-14estimated | EGLL | KSEA | 12:34 GMT | 15:58 PST | 11h 23m | N855NW |
| 2026-02-13 | EGLL | KSEA | 12:35 GMT | 14:46 PST | 10h 11m | N858NW |
| 2026-02-12partial | KSEA | ? | 17:05 PST | N860NW | ||
| 2026-02-11 | EGLL | KSEA | 12:09 GMT | 14:14 PST | 10h 04m | N860NW |
| 2026-02-08 | EGLL | ? | 12:44 GMT | 21:05Z | 8h 20m | ABCA08 |
| 2026-02-07 | EGLL | KSEA | 12:24 GMT | 14:26 PST | 10h 01m | N859NW |
| 2026-02-06 | EGLL | KSEA | 12:11 GMT | 14:22 PST | 10h 11m | N857NW |
| 2026-02-05 | EGLL | KSEA | 12:39 GMT | 14:52 PST | 10h 12m | N855NW |
| 2026-02-04 | EGLL | KBFI | 12:40 GMT | 14:54 PST | 10h 13m | N851NW |
| 2026-02-03 | EGLL | KSEA | 12:25 GMT | 14:38 PST | 10h 12m | N860NW |
| 2026-02-02 | EGLL | KSEA | 12:39 GMT | 14:34 PST | 9h 54m | N858NW |
| 2026-02-01 | EGLL | KSEA | 13:05 GMT | 14:50 PST | 9h 44m | N858NW |
| 2026-01-31 | EGLL | KSEA | 12:35 GMT | 14:16 PST | 9h 40m | N856NW |
| 2026-01-30 | EGLL | KSEA | 12:21 GMT | 14:26 PST | 10h 04m | N852NW |
| 2026-01-29 | EGLL | KBFI | 12:23 GMT | 14:20 PST | 9h 56m | N854NW |
| 2026-01-28 | EGLL | KSEA | 12:31 GMT | 13:52 PST | 9h 20m | N855NW |
| 2026-01-27 | EGLL | KSEA | 12:57 GMT | 14:30 PST | 9h 32m | N859NW |
| 2026-01-26 | EGLL | KSEA | 12:34 GMT | 14:02 PST | 9h 28m | N859NW |
| 2026-01-25 | EGLL | KSEA | 12:34 GMT | 14:42 PST | 10h 07m | N858NW |
| 2026-01-24 | EGLL | KSEA | 12:33 GMT | 14:04 PST | 9h 31m | N853NW |
| 2026-01-23 | EGLL | KSEA | 12:18 GMT | 14:06 PST | 9h 48m | N856NW |
| 2026-01-22 | EGLL | KSEA | 12:26 GMT | 14:44 PST | 10h 18m | N857NW |
| 2026-01-21 | EGLL | KSEA | 12:35 GMT | 13:58 PST | 9h 22m | N854NW |
| 2026-01-20 | EGLL | KSEA | 12:33 GMT | 13:38 PST | 9h 04m | N854NW |
| 2026-01-19 | EGLL | KSEA | 12:21 GMT | 13:32 PST | 9h 11m | N852NW |
| 2026-01-18estimated | CYZH | KSEA | 13:07 MST | 14:04 PST | 1h 56m | N856NW |
| 2026-01-09 | EGLL | KSEA | 12:32 GMT | 14:06 PST | 9h 33m | N851NW |
| 2026-01-08 | EGLL | KSEA | 12:53 GMT | 14:28 PST | 9h 34m | N853NW |
| 2026-01-07partial | CYZH | ? | 17:00 MST | N861NW | ||
| 2026-01-06partial | KSEA | ? | 16:00 PST | N859NW | ||
| 2026-01-05 | EGLL | KSEA | 13:20 GMT | 15:58 PST | 10h 38m | N859NW |
| 2026-01-04 | EGLL | KSEA | 13:25 GMT | 15:24 PST | 9h 58m | N859NW |
| 2026-01-03 | EGLL | KSEA | 12:42 GMT | 15:18 PST | 10h 36m | N855NW |
| 2026-01-02 | EGLL | KSEA | 12:46 GMT | 14:58 PST | 10h 11m | N859NW |
| 2026-01-01estimated | CYZH | KSEA | 05:37 MST | 14:28 PST | 9h 50m | N856NW |
| 2025-12-31 | EGLL | KBFI | 13:15 GMT | 15:02 PST | 9h 46m | N858NW |
| 2025-12-30 | EGLL | KSEA | 12:32 GMT | 14:58 PST | 10h 26m | N860NW |
| 2025-12-29partial | CYZH | ? | 17:00 MST | N859NW | ||
| 2025-12-28estimated | EGLL | KSEA | 15:54 GMT | 15:58 PST | 8h 03m | N859NW |
| 2025-12-27 | EGLL | KSEA | 12:42 GMT | 14:46 PST | 10h 03m | N854NW |
| 2025-12-26 | EGLL | KSEA | 12:22 GMT | 14:10 PST | 9h 48m | N855NW |
| 2025-12-25 | EGLL | KSEA | 12:32 GMT | 14:12 PST | 9h 39m | N861NW |
| 2025-12-24 | EGLL | KSEA | 12:15 GMT | 14:46 PST | 10h 31m | N857NW |
| 2025-12-23 | EGLL | KBFI | 12:37 GMT | 14:18 PST | 9h 40m | N856NW |
| 2025-12-22 | EGLL | KSEA | 12:31 GMT | 14:26 PST | 9h 54m | N853NW |
| 2025-12-21 | EGLL | KSEA | 12:47 GMT | 14:38 PST | 9h 51m | N861NW |
| 2025-12-20 | EGLL | KBFI | 12:35 GMT | 14:22 PST | 9h 46m | N861NW |
| 2025-12-19 | EGLL | KSEA | 12:44 GMT | 14:42 PST | 9h 57m | N855NW |
| 2025-12-18 | EGLL | KSEA | 13:05 GMT | 14:48 PST | 9h 42m | N858NW |
| 2025-12-17 | EGLL | KSEA | 12:34 GMT | 14:14 PST | 9h 40m | N852NW |
| 2025-12-16 | EGLL | KSEA | 12:27 GMT | 14:24 PST | 9h 57m | N824NW |
| 2025-12-15 | EGLL | KSEA | 12:26 GMT | 14:06 PST | 9h 39m | N860NW |
| 2025-12-14 | EGLL | KSEA | 12:51 GMT | 14:36 PST | 9h 45m | N856NW |
| 2025-12-13 | EGLL | KSEA | 12:50 GMT | 14:34 PST | 9h 43m | N855NW |
| 2025-12-12 | EGLL | KBFI | 12:39 GMT | 14:16 PST | 9h 36m | N853NW |
| 2025-12-11 | EGLL | KSEA | 12:41 GMT | 14:14 PST | 9h 32m | N861NW |
| 2025-12-10 | EGLL | KSEA | 13:08 GMT | 15:04 PST | 9h 55m | N419DX |
| 2025-12-09estimated | CYZH | KSEA | 12:56 MST | 14:42 PST | 2h 45m | N860NW |
| 2025-11-27partial | EGLL | ? | 01:03 GMT | N857NW | ||
| 2025-11-26estimated | EGLL | KSEA | 12:54 GMT | 14:52 PST | 9h 57m | N857NW |
| 2025-10-30estimated | EGLL | KSEA | 12:33 GMT | 06:44 PDT | 1h 10m | N854NW |
| 2025-10-29 | EGLL | KSEA | 12:46 GMT | 15:10 PDT | 9h 23m | N853NW |
| 2025-10-28partial | EGLL | ? | 01:00 GMT | N861NW | ||
| 2025-10-27 | EGLL | KSEA | 12:38 GMT | 15:24 PDT | 9h 45m | N861NW |
| 2025-10-26partial | ? | ? | 01:02Z | N857NW | ||
| 2025-10-25estimated | CYZH | KSEA | 19:27 MDT | 11:38 PDT | 17h 10m | N421DX |
| 2025-10-24partial | ? | ? | 01:04Z | A52EA4 | ||
| 2025-10-23estimated | CYZH | KSEA | 18:40 MDT | 19:12 PDT | 1h 31m | N404DX |
| 2025-10-22estimated | ? | ? | 01:27Z | 19:12Z | 17h 44m | A52736 |
| 2025-10-21estimated | ? | ? | 01:33Z | 17:44Z | 16h 10m | A52AED |
| 2025-10-20estimated | ? | ? | 01:57Z | 18:10Z | 16h 12m | N413DX |
| 2025-10-19partial | ? | ? | 00:54Z | N402DX | ||
| 2025-10-15estimated | ? | ? | 03:40Z | 17:38Z | 13h 57m | N410DZ |
| 2025-10-15estimated | CYZH | KSEA | 18:26 MDT | 19:06 PDT | 1h 40m | N410DZ |
| 2025-10-14estimated | EGLL | KSEA | 05:55 BST | 10:48 PDT | 12h 52m | N417DX |
| 2025-10-14estimated | CYZH | KSEA | 19:49 MDT | 20:10 PDT | 1h 20m | N417DX |
| 2025-10-13estimated | EGLL | KSEA | 06:14 BST | 13:10 PDT | 14h 55m | N401DZ |
| 2025-10-13estimated | CYZH | KSEA | 19:50 MDT | 20:40 PDT | 1h 49m | N401DZ |
| 2025-10-08estimated | CYZH | KSEA | 18:31 MDT | 19:28 PDT | 1h 57m | N414DZ |
| 2025-10-07partial | ? | ? | 00:21Z | N406DX | ||
| 2025-10-06estimated | ? | ? | 04:22Z | 19:18Z | 14h 55m | A51D6F |
| 2025-10-06estimated | CYZH | KSEA | 20:01 MDT | 20:38 PDT | 1h 36m | A51D6F |
| 2025-10-05partial | KSEA | ? | 07:49 PDT | N417DX | ||
| 2025-10-04estimated | ? | KBFI | 15:02Z | 08:44 PDT | 0h 41m | A52736 |
| 2025-10-02 | CYMM | KBFI | 18:40 MDT | 19:36 PDT | 1h 55m | A4B0BB |
| 2025-10-01 | ? | KBFI | 00:31Z | 19:13 PDT | 1h 42m | A4FC00 |
| 2025-09-30 | CYMM | KBFI | 18:34 MDT | 19:26 PDT | 1h 52m | A4CE71 |
| 2025-09-29 | CYMM | KBFI | 19:45 MDT | 20:35 PDT | 1h 50m | A50370 |
| 2025-09-28 | CYMM | KTCM | 18:37 MDT | 19:27 PDT | 1h 50m | A50ADC |
| 2025-09-27 | ? | KBFI | 01:00Z | 19:40 PDT | 1h 40m | A50E93 |
| 2025-09-26 | CYMM | KTCM | 18:33 MDT | 19:28 PDT | 1h 55m | A4FC00 |
| 2025-09-25 | ? | KSEA Seattle-Tacoma International | 00:24Z | 19:09 PDT | 1h 45m | A4FFB7 |
| 2025-09-24 | ? | KTCM | 00:00Z | 19:20 PDT | 2h 20m | A4CE71 |
| 2025-09-23 | ? | KSEA Seattle-Tacoma International | 00:43Z | 19:27 PDT | 1h 44m | A50ADC |
| 2025-09-22 | ? | KSEA Seattle-Tacoma International | 01:34Z | 20:20 PDT | 1h 45m | A5237F |
| 2025-09-21 | CYMM | KSEA Seattle-Tacoma International | 18:56 MDT | 19:39 PDT | 1h 43m | A4FC00 |
| 2025-09-20 | ? | KSEA Seattle-Tacoma International | 01:10Z | 19:51 PDT | 1h 40m | A4FFB7 |
| 2025-09-19 | CYMM | KTCM | 18:20 MDT | 19:09 PDT | 1h 48m | A4CE71 |
| 2025-09-18partial | CYMM | ? | 18:30 MDT | A4CE71 | ||
| 2025-08-26estimated | ? | ? | 00:00Z | 04:08Z | 4h 07m | A519B8 |
| 2025-08-25estimated | EGLL | KSEA | 08:25 BST | 16:57 PDT | 16h 31m | A519B8 |
| 2025-08-23 | EGLL | KBFI | 06:41 BST | 12:26 PDT | 13h 44m | N402DX |
| 2025-08-22estimated | CYZH | KSEA | 18:43 MDT | 19:58 PDT | 2h 14m | N401DZ |
| 2025-08-21estimated | EGLL | KSEA | 07:57 BST | 12:40 PDT | 12h 42m | A5124C |
| 2025-08-20estimated | CYZH | KSEA | 19:15 MDT | 20:16 PDT | 2h 00m | N416DX |
| 2025-08-19partial | CYZH | ? | 20:07 MDT | N419DX | ||
| 2025-08-17estimated | ? | ? | 04:30Z | 20:48Z | 16h 17m | A50370 |
| 2025-08-16estimated | CYZH | KSEA | 22:05 MDT | 12:52 PDT | 15h 47m | A50E93 |
| 2025-08-16estimated | CYZH | KSEA | 19:10 MDT | 20:08 PDT | 1h 57m | A50E93 |
| 2025-08-15estimated | ? | ? | 04:31Z | 18:34Z | 14h 03m | A52736 |
| 2025-08-15estimated | CYZH | KSEA | 19:05 MDT | 19:48 PDT | 1h 42m | A52736 |
Times are local to each airport. Hover for UTC. Flights marked estimated were completed with route prediction or partial coverage; partial records have a confirmed departure but no reliable arrival fix.
Follow this flight
Get an email when DAL21 flies + if it runs late.
Data access
Live positions and 365-day history for this flight are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our archive (from $9.99, with a free one-day sample). Questions: [email protected]