Flight
DAL1421 4 Feb 2026
DAL1421, operated by Delta Air Lines, on 4 Feb 2026: Los Angeles International (KLAX) to San Francisco International (KSFO), 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 → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 05:50 PST |
| Last seen | 07:16 PST |
| Duration | 1h 25m |
| Aircraft | N3755D |
| Max altitude | 36,000 ft |
| Distance tracked | 293 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KLAX LOS ANGELES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:18 PST |
| Last seen | 09:54 PST |
| Duration | 1h 35m |
| Aircraft | N3755D |
| Max altitude | 39,000 ft |
| Distance tracked | 293 nm |
Punctuality, last 30 days
| Flights | 16 |
| On time | 9 (56%) |
| Average delay | +18 min |
| Worst delay | +53 min |
In the last 30 days DAL1421 departed on time (within 15 minutes) on 9 of 16 flights (56%), with an average departure delay of +18 min and a worst delay of +53 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.