Flight
SWA4021 4 Oct 2026
SWA4021, operated by Southwest Airlines, on 4 Oct 2026: Ontario International (KONT) to Sacramento International (KSMF). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KONT ONTARIO INTERNATIONAL → KSMF SACRAMENTO INTERNATIONAL |
| Status | Scheduled |
| Scheduled departure | 14:15 PDT |
Punctuality, last 30 days
| Flights | 5 |
| On time | 3 (60%) |
| Average delay | +14 min |
| Worst delay | +24 min |
In the last 30 days SWA4021 departed on time (within 15 minutes) on 3 of 5 flights (60%), with an average departure delay of +14 min and a worst delay of +24 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.