Flight
UAL2421 10 Sep 2026
UAL2421, operated by United Airlines, on 10 Sep 2026: Louis Armstrong New Orleans International (KMSY) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KMSY LOUIS ARMSTRONG NEW ORLEANS INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:08 CDT |
| Last seen | 14:24 PDT |
| Duration | 4h 15m |
| Aircraft | N38451 |
| Max altitude | 36,000 ft |
| Distance tracked | 1,657 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 2 (40%) |
| Average delay | +21 min |
| Worst delay | +52 min |
In the last 30 days UAL2421 departed on time (within 15 minutes) on 2 of 5 flights (40%), with an average departure delay of +21 min and a worst delay of +52 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.