Flight
SWA4637 21 Sep 2026
SWA4637, operated by Southwest Airlines, on 21 Sep 2026: Sacramento International (KSMF) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSMF SACRAMENTO INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:00 PDT 20 Sep |
| Last seen | 20:44 MDT 20 Sep |
| Duration | 2h 43m |
| Aircraft | N944WN |
| Max altitude | 41,000 ft |
| Distance tracked | 788 nm |
Punctuality, last 30 days
| Flights | 2 |
| On time | 1 (50%) |
| Average delay | +22 min |
| Worst delay | +41 min |
In the last 30 days SWA4637 departed on time (within 15 minutes) on 1 of 2 flights (50%), with an average departure delay of +22 min and a worst delay of +41 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.