Flight
SWA4020 8 May 2026
SWA4020, operated by Southwest Airlines, on 8 May 2026: Buffalo Niagara International (KBUF) to Chicago Midway International (KMDW), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KBUF BUFFALO NIAGARA INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:07 EDT 7 May |
| Last seen | 20:32 CDT 7 May |
| Duration | 1h 24m |
| Aircraft | N8782Q |
| Max altitude | 38,000 ft |
| Distance tracked | 405 nm |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 22:44 CDT 7 May |
| Last seen | 18:12Z |
| Duration | 14h 27m |
| Aircraft | N8782Q |
| Max altitude | 33,000 ft |
Leg 3 of 3
PlaneTrack receiver network| Route | KLAS MC CARRAN INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 14:01 PDT |
| Last seen | 23:58Z |
| Duration | 2h 56m |
| Aircraft | N8569Z |
| Max altitude | 37,000 ft |
Punctuality, last 30 days
| Flights | 3 |
| On time | 1 (33%) |
| Average delay | +25 min |
| Worst delay | +40 min |
In the last 30 days SWA4020 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +25 min and a worst delay of +40 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.