Flight
SWA3853 4 Sep 2026
SWA3853, operated by Southwest Airlines, on 4 Sep 2026: Buffalo Niagara International (KBUF) to Chicago Midway International (KMDW). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KBUF BUFFALO NIAGARA INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:44 EDT 3 Sep |
| Last seen | 20:58 CDT 3 Sep |
| Duration | 1h 14m |
| Aircraft | N234WN |
| Max altitude | 38,025 ft |
| Distance tracked | 405 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 1 (17%) |
| Average delay | -157 min |
| Worst delay | +124 min |
In the last 30 days SWA3853 departed on time (within 15 minutes) on 1 of 6 flights (17%), with an average departure delay of -157 min and a worst delay of +124 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.