Flight
UAL2459 28 Sep 2026
UAL2459, operated by United Airlines, on 28 Sep 2026: Lambert St Louis International (KSTL) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed, departure delayed +29 min |
| Scheduled departure | 09:00 CDT |
| Actual departure | 09:29 CDT delayed +29 min |
| Actual arrival | 10:18 MDT |
| Duration | 1h 49m |
| Aircraft | N39423 B739 |
| Max altitude | 30,000 ft |
| Distance tracked | 667 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → CYYC CALGARY INTERNATIONAL |
| Status | Completed, departure delayed +95 min |
| Scheduled departure | 11:21 MDT |
| Actual departure | 12:56 MDT delayed +95 min |
| Actual arrival | 14:58 MDT |
| Duration | 2h 02m |
| Aircraft | N36247 B738 |
| Max altitude | 37,000 ft |
| Distance tracked | 780 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 4 (29%) |
| Average delay | +38 min |
| Worst delay | +231 min |
In the last 30 days UAL2459 departed on time (within 15 minutes) on 4 of 14 flights (29%), with an average departure delay of +38 min and a worst delay of +231 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.