Flight
DAL521 22 Sep 2026
DAL521, operated by Delta Air Lines, on 22 Sep 2026: Dallas Fort Worth International (KDFW) to Los Angeles International (KLAX), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KDFW DALLAS FORT WORTH INTERNATIONAL → KLAX LOS ANGELES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:48 CDT 21 Sep |
| Last seen | 22:20 PDT 21 Sep |
| Duration | 3h 31m |
| Aircraft | N327NB |
| Max altitude | 36,025 ft |
| Distance tracked | 1,070 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KLAX LOS ANGELES INTERNATIONAL → KDFW DALLAS FORT WORTH INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:34 PDT 21 Sep |
| Last seen | 14:34 CDT |
| Duration | 14h 00m |
| Aircraft | N327NB |
| Max altitude | 37,025 ft |
| Distance tracked | 1,070 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 21:11Z |
| Last seen | 23:58Z |
| Duration | 2h 46m |
| Aircraft | N364NB |
| Max altitude | 36,050 ft |
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.