UAL523
Flight history and live tracking for UAL523, operated by United Airlines. Recent flights from the PlaneTrack independent receiver network, with departure and arrival times, aircraft used, and a real-time position feed.
Next flight
| Date | Sun 23 Aug 2026 |
| Route | LPMA Cristiano Ronaldo International Airport → KEWR NEWARK LIBERTY INTERNATIONAL |
| Scheduled departure | 09:40 WEST |
Scheduled and estimated times from the FAA SWIM feed, local to each airport.
Route
| Airline | United Airlines |
| Observed route | LPPS → KEWR |
Flight history 31 flights since Sep 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-21 | LPMA Cristiano Ronaldo International Airport | KEWR NEWARK LIBERTY INTERNATIONAL | 12:21 WEST | 14:01 EDT | 6h 40m | N27269 |
| 2026-08-19estimated | ? | ? | 09:12Z | 18:04Z | 8h 52m | N57299 |
| 2026-08-16estimated | ? | ? | 09:32Z | 16:28Z | 6h 55m | N17320 |
| 2026-08-14estimated | ? | ? | 08:53Z | 16:22Z | 7h 28m | N17301 |
| 2026-08-12estimated | ? | ? | 09:39Z | 19:16Z | 9h 36m | N17300 |
Earlier flights (26) - back to 2025-09-19
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-07-22estimated | ? | ? | 08:50Z | 15:36Z | 6h 45m | N27287 |
| 2026-07-19estimated | ? | ? | 12:07Z | 20:42Z | 8h 34m | A126EA |
| 2026-07-17estimated | LPPS | KEWR | 09:56 WEST | 14:48 EDT | 9h 51m | A12709 |
| 2026-07-15estimated | LPMA | ? | 11:25 WEST | 16:10Z | 5h 44m | A126E6 |
| 2026-07-12estimated | LPPS | KEWR | 09:57 WEST | 12:18 EDT | 7h 21m | N27269 |
| 2026-07-10estimated | LPPS | KEWR | 11:14 WEST | 13:30 EDT | 7h 15m | A44187 |
| 2026-07-08estimated | LPPS | KEWR | 09:57 WEST | 12:12 EDT | 7h 14m | N27290 |
| 2026-07-05estimated | LPPS | KEWR | 09:52 WEST | 11:58 EDT | 7h 05m | N57299 |
| 2026-07-03estimated | LPPS | KEWR | 09:55 WEST | 11:50 EDT | 6h 54m | N17285 |
| 2026-07-01estimated | LPPS | KEWR | 09:58 WEST | 11:38 EDT | 6h 40m | N37278 |
| 2026-06-28estimated | LPPS | KEWR | 09:51 WEST | 14:15 EDT | 9h 23m | N27290 |
| 2026-06-26estimated | LPPS | KEWR | 09:58 WEST | 12:48 EDT | 7h 49m | A44187 |
| 2026-06-24estimated | LPPS | ? | 10:02 WEST | 18:20Z | 9h 17m | N17300 |
| 2026-06-21estimated | LPPS | KEWR | 09:56 WEST | 12:04 EDT | 7h 07m | N57286 |
| 2026-06-19estimated | LPPS | KEWR | 09:58 WEST | 12:30 EDT | 7h 31m | N47288 |
| 2026-06-17estimated | LPPS | KEWR | 10:01 WEST | 14:17 EDT | 9h 15m | A5CF41 |
| 2026-06-14estimated | LPPS | KEWR | 09:49 WEST | 11:52 EDT | 7h 02m | N47280 |
| 2026-06-12estimated | LPPS | KEWR | 10:10 WEST | 12:30 EDT | 7h 20m | N47293 |
| 2026-05-29estimated | LPPS | KEWR | 09:56 WEST | 14:10 EDT | 9h 13m | N47280 |
| 2026-05-27estimated | LPPS | KEWR | 09:52 WEST | 14:16 EDT | 9h 23m | A441AB |
| 2026-05-24estimated | LPPS | KEWR | 10:33 WEST | 12:40 EDT | 7h 06m | N47280 |
| 2026-05-22estimated | ? | ? | 08:47Z | 18:18Z | 9h 30m | N27273 |
| 2026-05-20estimated | KSWF | KEWR | 20:15 EDT | 12:16 EDT | 16h 00m | A441AC |
| 2025-09-24 | ? | ? | 10:42Z | 17:09Z | 6h 27m | A12709 |
| 2025-09-21 | ? | KBOS Logan International | 10:34Z | 12:57 EDT | 6h 22m | A1244D |
| 2025-09-19 | ? | ? | 11:02Z | 16:29Z | 5h 27m | A126E7 |
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.
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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 own receiver network archive. Questions: [email protected]