Flight
SWA1521 23 May 2026
SWA1521, operated by Southwest Airlines, on 23 May 2026: Seattle Tacoma International (KSEA) to Mc Carran International (KLAS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KLAS MC CARRAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:50 PDT |
| Last seen | 16:54 PDT |
| Duration | 2h 03m |
| Aircraft | AC5700 |
| Max altitude | 35,000 ft |
| Distance tracked | 753 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +35 min |
| Worst delay | +94 min |
In the last 30 days SWA1521 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +35 min and a worst delay of +94 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.