Flight
SWA4321 21 Feb 2026
SWA4321, operated by Southwest Airlines, on 21 Feb 2026: Baltimore Washington International (KBWI) to Miami International (KMIA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KBWI BALTIMORE WASHINGTON INTERNATIONAL → KMIA MIAMI INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:30 EST |
| Last seen | 10:58 EST |
| Duration | 2h 27m |
| Aircraft | N8307K |
| Max altitude | 38,000 ft |
| Distance tracked | 823 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KMIA MIAMI INTERNATIONAL → KAUS AUSTIN BERGSTROM INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:15 EST |
| Last seen | 14:00 CST |
| Duration | 2h 44m |
| Aircraft | N8307K |
| Max altitude | 36,000 ft |
| Distance tracked | 957 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 1 (20%) |
| Average delay | -224 min |
| Worst delay | +123 min |
In the last 30 days SWA4321 departed on time (within 15 minutes) on 1 of 5 flights (20%), with an average departure delay of -224 min and a worst delay of +123 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.