Flight
ASA388 18 Dec 2025
ASA388, operated by Alaska Airlines, on 18 Dec 2025: Seattle Tacoma International (KSEA) to Lambert St Louis International (KSTL), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:44 PST |
| Last seen | 16:18 CST |
| Duration | 3h 33m |
| Aircraft | N954AK |
| Max altitude | 35,025 ft |
| Distance tracked | 1,482 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:37 CST |
| Last seen | 15:58 PST |
| Duration | 0h 20m |
| Aircraft | N954AK |
| Max altitude | 27,275 ft |
| Distance tracked | 1,482 nm |
Punctuality, last 30 days
| Flights | 10 |
| On time | 6 (60%) |
| Average delay | +14 min |
| Worst delay | +25 min |
In the last 30 days ASA388 departed on time (within 15 minutes) on 6 of 10 flights (60%), with an average departure delay of +14 min and a worst delay of +25 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.