Flight
ASA21 23 Sep 2025
ASA21, operated by Alaska Airlines, on 23 Sep 2025: John F Kennedy International (KJFK) to London (CYXU). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KJFK JOHN F KENNEDY INTERNATIONAL → CYXU LONDON |
| Status | Completed (receiver network) |
| First seen airborne | 07:48 EDT |
| Last seen | 08:49 EDT |
| Duration | 1h 00m |
| Aircraft | A29551 |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +22 min |
| Worst delay | +35 min |
In the last 30 days ASA21 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +22 min and a worst delay of +35 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.