Flight
SWA4129 11 Mar 2026
SWA4129, operated by Southwest Airlines, on 11 Mar 2026: Ontario International (KONT) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 06:41 PDT |
| Last seen | 09:46 MDT |
| Duration | 2h 04m |
| Aircraft | N8766T |
| Max altitude | 35,025 ft |
| Distance tracked | 710 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 3 (50%) |
| Average delay | +18 min |
| Worst delay | +28 min |
In the last 30 days SWA4129 departed on time (within 15 minutes) on 3 of 6 flights (50%), with an average departure delay of +18 min and a worst delay of +28 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.