Flight
UAL1278 21 Jun 2026
UAL1278, operated by United Airlines, on 21 Jun 2026: Los Angeles International (KLAX) to Cancun International (MMUN). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KLAX LOS ANGELES INTERNATIONAL → MMUN CANCUN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:13 PDT |
| Last seen | 16:42 EST |
| Duration | 4h 28m |
| Aircraft | N66831 |
| Max altitude | 34,000 ft |
| Distance tracked | 1,839 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 7 (50%) |
| Average delay | -70 min |
| Worst delay | +85 min |
In the last 30 days UAL1278 departed on time (within 15 minutes) on 7 of 14 flights (50%), with an average departure delay of -70 min and a worst delay of +85 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.