Flight
SWA4521 21 Dec 2025
SWA4521, operated by Southwest Airlines, on 21 Dec 2025: Dallas Love Fld (KDAL) to Memphis International (KMEM). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDAL DALLAS LOVE FLD → KMEM MEMPHIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:06 CST 20 Dec |
| Last seen | 00:06 CST |
| Duration | 0h 59m |
| Aircraft | N7735A |
| Max altitude | 41,000 ft |
| Distance tracked | 366 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | -62 min |
| Worst delay | +132 min |
In the last 30 days SWA4521 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of -62 min and a worst delay of +132 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.