Flight
SWA4631 12 Apr 2026
SWA4631, operated by Southwest Airlines, on 12 Apr 2026: Chicago Midway International (KMDW) to Phoenix Sky Harbor International (KPHX). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:03 CDT |
| Last seen | 08:44 MST |
| Duration | 3h 40m |
| Aircraft | N8584Z |
| Max altitude | 38,025 ft |
| Distance tracked | 1,252 nm |
Punctuality, last 30 days
| Flights | 4 |
| On time | 0 (0%) |
| Average delay | +34 min |
| Worst delay | +48 min |
In the last 30 days SWA4631 departed on time (within 15 minutes) on 0 of 4 flights (0%), with an average departure delay of +34 min and a worst delay of +48 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.