Flight
UAL1599 29 Sep 2026
UAL1599, operated by United Airlines, on 29 Sep 2026: Phoenix Sky Harbor International (KPHX) to Denver International (KDEN), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
FAA SWIM schedule| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed, departure delayed +39 min |
| Scheduled departure | 07:30 MST |
| Actual departure | 08:09 MST delayed +39 min |
| Actual arrival | 10:38 MDT |
| Duration | 1h 29m |
| Aircraft | N37281 B738 |
| Max altitude | 33,000 ft |
| Distance tracked | 522 nm |
Leg 2 of 3
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KIAH GEORGE BUSH INTCNTL HOUSTON |
| Status | Completed, departure delayed +19 min |
| Scheduled departure | 11:47 MDT |
| Actual departure | 12:06 MDT delayed +19 min |
| Actual arrival | 14:55 CDT |
| Duration | 1h 49m |
| Aircraft | N14521 A21N |
| Max altitude | 36,975 ft |
| Distance tracked | 749 nm |
Leg 3 of 3
FAA SWIM schedule| Route | KIAH GEORGE BUSH INTCNTL HOUSTON → KDFW DALLAS FORT WORTH INTERNATIONAL |
| Status | Completed, departure delayed +16 min |
| Scheduled departure | 16:55 CDT |
| Actual departure | 17:11 CDT delayed +16 min |
| Actual arrival | 17:56 CDT |
| Duration | 0h 45m |
| Aircraft | N63899 B739 |
| Max altitude | 22,000 ft |
| Distance tracked | 195 nm |
Punctuality, last 30 days
| Flights | 19 |
| On time | 3 (16%) |
| Average delay | +36 min |
| Worst delay | +132 min |
In the last 30 days UAL1599 departed on time (within 15 minutes) on 3 of 19 flights (16%), with an average departure delay of +36 min and a worst delay of +132 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.