Flight
UAL643 1 Oct 2026
UAL643, operated by United Airlines, on 1 Oct 2026: Mc Carran International (KLAS) to San Francisco International (KSFO), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
FAA SWIM schedule| Route | KLAS MC CARRAN INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed, departed on time (+6 min) |
| Scheduled departure | 05:45 PDT |
| Actual departure | 05:51 PDT on time |
| Actual arrival | 06:56 PDT |
| Duration | 1h 05m |
| Aircraft | N39475 B739 |
Leg 2 of 3
FAA SWIM schedule| Route | KSFO SAN FRANCISCO INTERNATIONAL → KSNA JOHN WAYNE ARPT ORANGE CO |
| Status | Completed, departed on time (+10 min) |
| Scheduled departure | 10:17 PDT |
| Actual departure | 10:27 PDT on time |
| Actual arrival | 11:33 PDT |
| Duration | 1h 06m |
| Aircraft | N77259 B38M |
| Max altitude | 37,000 ft |
| Distance tracked | 323 nm |
Leg 3 of 3
FAA SWIM schedule| Route | KSNA JOHN WAYNE ARPT ORANGE CO → KIAH GEORGE BUSH INTCNTL HOUSTON |
| Status | Completed, departure delayed +96 min |
| Scheduled departure | 15:14 PDT |
| Actual departure | 16:50 PDT delayed +96 min |
| Actual arrival | 22:33 CDT |
| Duration | 3h 43m |
| Aircraft | N39728 B737 |
| Max altitude | 41,000 ft |
| Distance tracked | 1,418 nm |
Punctuality, last 30 days
| Flights | 19 |
| On time | 13 (68%) |
| Average delay | +19 min |
| Worst delay | +96 min |
In the last 30 days UAL643 departed on time (within 15 minutes) on 13 of 19 flights (68%), with an average departure delay of +19 min and a worst delay of +96 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.