Flight
DAL521 20 Sep 2026
DAL521, operated by Delta Air Lines, on 20 Sep 2026: Los Angeles International (KLAX) to Dallas Fort Worth International (KDFW), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KLAX LOS ANGELES INTERNATIONAL → KDFW DALLAS FORT WORTH INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:43 PDT |
| Last seen | 12:08 CDT |
| Duration | 2h 25m |
| Aircraft | N363NB |
| Max altitude | 39,050 ft |
| Distance tracked | 1,070 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KDFW DALLAS FORT WORTH INTERNATIONAL → KLAX LOS ANGELES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:20 CDT |
| Last seen | 15:14 PDT |
| Duration | 2h 53m |
| Aircraft | N363NB |
| Max altitude | 36,000 ft |
| Distance tracked | 1,070 nm |
Punctuality, last 30 days
| Flights | 16 |
| On time | 10 (62%) |
| Average delay | +34 min |
| Worst delay | +120 min |
In the last 30 days DAL521 departed on time (within 15 minutes) on 10 of 16 flights (62%), with an average departure delay of +34 min and a worst delay of +120 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.