Flight
DAL421 4 Feb 2026
DAL421, operated by Delta Air Lines, on 4 Feb 2026: Detroit Metro Wayne Co (KDTW) to Mc Carran International (KLAS), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KDTW DETROIT METRO WAYNE CO → KLAS MC CARRAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:42 EST |
| Last seen | 13:26 PST |
| Duration | 3h 43m |
| Aircraft | N121DZ |
| Max altitude | 32,050 ft |
| Distance tracked | 1,516 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KLAS MC CARRAN INTERNATIONAL → KDTW DETROIT METRO WAYNE CO |
| Status | Completed (receiver network) |
| First seen airborne | 15:14 PST |
| Last seen | 22:18 EST |
| Duration | 4h 03m |
| Aircraft | A057CC |
| Distance tracked | 1,516 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | +28 min |
| Worst delay | +109 min |
In the last 30 days DAL421 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of +28 min and a worst delay of +109 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.