Flight
DAL1821 4 Sep 2026
DAL1821, operated by Delta Air Lines, on 4 Sep 2026: Portland International Jetport (KPWM) to Detroit Metro Wayne Co (KDTW), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KPWM PORTLAND INTERNATIONAL JETPORT → KDTW DETROIT METRO WAYNE CO |
| Status | Completed (receiver network) |
| First seen airborne | 20:39 EDT 3 Sep |
| Last seen | 22:16 EDT 3 Sep |
| Duration | 1h 36m |
| Aircraft | N937AT |
| Max altitude | 34,000 ft |
| Distance tracked | 579 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KDTW DETROIT METRO WAYNE CO → KPWM PORTLAND INTERNATIONAL JETPORT |
| Status | Completed (receiver network) |
| First seen airborne | 15:58 EDT |
| Last seen | 17:22 EDT |
| Duration | 1h 23m |
| Aircraft | N977AT |
| Max altitude | 33,000 ft |
| Distance tracked | 579 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 23:23Z |
| Last seen | 23:58Z |
| Duration | 0h 34m |
| Aircraft | N977AT |
| Max altitude | 34,025 ft |
Punctuality, last 30 days
| Flights | 16 |
| On time | 12 (75%) |
| Average delay | +9 min |
| Worst delay | +24 min |
In the last 30 days DAL1821 departed on time (within 15 minutes) on 12 of 16 flights (75%), with an average departure delay of +9 min and a worst delay of +24 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.