Flight
SWA1503 10 Mar 2026
SWA1503, operated by Southwest Airlines, on 10 Mar 2026: Lambert St Louis International (KSTL) to Phoenix Sky Harbor International (KPHX). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:09 CDT 9 Mar |
| Last seen | 23:16 MST 9 Mar |
| Duration | 3h 06m |
| Aircraft | N8551Q |
| Max altitude | 38,025 ft |
| Distance tracked | 1,094 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | -153 min |
| Worst delay | +64 min |
In the last 30 days SWA1503 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of -153 min and a worst delay of +64 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.