Flight
SWA4128 20 May 2026
SWA4128, operated by Southwest Airlines, on 20 May 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightpartial
PlaneTrack receiver network| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 18:37 MST 19 May |
| Aircraft | N8509U |
| Max altitude | 40,025 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.