Flight
SWA1231 21 Sep 2026
SWA1231, operated by Southwest Airlines, on 21 Sep 2026: San Francisco International (KSFO) to Mc Carran International (KLAS), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KLAS MC CARRAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:16 PDT 20 Sep |
| Last seen | 19:18 PDT 20 Sep |
| Duration | 2h 01m |
| Aircraft | N8743K |
| Max altitude | 27,000 ft |
| Distance tracked | 358 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KLAS MC CARRAN INTERNATIONAL → KBZN Bozeman Yellowstone International Airport |
| Status | Completed (receiver network) |
| First seen airborne | 10:04 PDT |
| Last seen | 12:38 MDT |
| Duration | 1h 33m |
| Aircraft | N289CT |
| Max altitude | 37,025 ft |
| Distance tracked | 609 nm |
Leg 3 of 3
PlaneTrack receiver network| Route | KBZN Bozeman Yellowstone International Airport → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:40 MDT |
| Last seen | 17:08 CDT |
| Duration | 3h 28m |
| Aircraft | N289CT |
| Max altitude | 37,000 ft |
| Distance tracked | 1,038 nm |
Punctuality, last 30 days
| Flights | 9 |
| On time | 1 (11%) |
| Average delay | -112 min |
| Worst delay | +87 min |
In the last 30 days SWA1231 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of -112 min and a worst delay of +87 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.