Flight
SWA4128 8 May 2026
SWA4128, operated by Southwest Airlines, on 8 May 2026: Phoenix Sky Harbor International (KPHX) to Chicago Midway International (KMDW), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:11 MST 7 May |
| Last seen | 22:00 CDT 7 May |
| Duration | 2h 48m |
| Aircraft | N8841L |
| Max altitude | 37,025 ft |
| Distance tracked | 1,252 nm |
Leg 2 of 2partial
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 23:16 CDT 7 May |
| Aircraft | N8841L |
| Max altitude | 38,750 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +88 min |
| Worst delay | +281 min |
In the last 30 days SWA4128 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of +88 min and a worst delay of +281 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.