Flight
SWA4021 27 Sep 2026
SWA4021, operated by Southwest Airlines, on 27 Sep 2026: Denver International (KDEN) to Birmingham International (KBHM), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KBHM BIRMINGHAM INTERNATIONAL |
| Status | Completed, departed on time (+12 min) |
| Scheduled departure | 10:45 MDT |
| Actual departure | 10:57 MDT on time |
| Actual arrival | 14:06 CDT |
| Duration | 2h 09m |
| Aircraft | N442WN B737 |
| Max altitude | 39,000 ft |
| Distance tracked | 939 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KBHM BIRMINGHAM INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed, departure delayed +24 min |
| Scheduled departure | 14:55 CDT |
| Actual departure | 15:19 CDT delayed +24 min |
| Actual arrival | 16:44 CDT |
| Duration | 1h 25m |
| Aircraft | N442WN B737 |
| Max altitude | 39,000 ft |
| Distance tracked | 495 nm |
Punctuality, last 30 days
| Flights | 3 |
| On time | 1 (33%) |
| Average delay | +18 min |
| Worst delay | +24 min |
In the last 30 days SWA4021 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +18 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.