Flight
SWA3853 30 Sep 2026
SWA3853, operated by Southwest Airlines, on 30 Sep 2026: Baltimore Washington International (KBWI) to Buffalo Niagara International (KBUF), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KBWI BALTIMORE WASHINGTON INTERNATIONAL → KBUF BUFFALO NIAGARA INTERNATIONAL |
| Status | Completed, departure delayed +21 min |
| Scheduled departure | 16:30 EDT |
| Actual departure | 16:51 EDT delayed +21 min |
| Actual arrival | 17:37 EDT |
| Duration | 0h 46m |
| Aircraft | N459WN B737 |
| Max altitude | 28,000 ft |
| Distance tracked | 405 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KBUF BUFFALO NIAGARA INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed, departed on time (-1332 min) |
| Scheduled departure | 18:25 EDT |
| Actual departure | 20:13 EDT 29 Sep on time |
| Actual arrival | 18:49 CDT |
| Duration | 23h 36m |
| Aircraft | N459WN B737 |
| Max altitude | 34,025 ft |
Punctuality, last 30 days
| Flights | 8 |
| On time | 2 (25%) |
| Average delay | -124 min |
| Worst delay | +122 min |
In the last 30 days SWA3853 departed on time (within 15 minutes) on 2 of 8 flights (25%), with an average departure delay of -124 min and a worst delay of +122 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.