Flight

UAL2459 27 Sep 2026

UAL2459, operated by United Airlines, on 27 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).

← 26 Sep 2026All UAL2459 flights28 Sep 2026 →

Leg 1 of 2

FAA SWIM schedule
RouteKSTL LAMBERT ST LOUIS INTERNATIONAL → KDEN DENVER INTERNATIONAL
StatusCompleted, departed on time (+10 min)
Scheduled departure09:00 CDT
Actual departure09:10 CDT on time
Actual arrival10:07 MDT
Duration1h 57m
AircraftN36469 B739
Max altitude34,000 ft
Distance tracked667 nm

Leg 2 of 2

FAA SWIM schedule
RouteKDEN DENVER INTERNATIONAL → CYYC CALGARY INTERNATIONAL
StatusCompleted, departure delayed +22 min
Scheduled departure11:21 MDT
Actual departure11:43 MDT delayed +22 min
Actual arrival13:47 MDT
Duration2h 04m
AircraftN68843 B739
Max altitude36,000 ft
Distance tracked780 nm

Punctuality, last 30 days

Flights14
On time4 (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.

UAL2459 flight history Full history CSV API access

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.