Flight

UAL644 27 Sep 2026

UAL644, operated by United Airlines, on 27 Sep 2026: La Guardia (KLGA) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 26 Sep 2026All UAL644 flights28 Sep 2026 →

Leg 1 of 2

FAA SWIM schedule
RouteKLGA LA GUARDIA → KDEN DENVER INTERNATIONAL
StatusCompleted, departure delayed +48 min
Scheduled departure07:45 EDT
Actual departure08:33 EDT delayed +48 min
Actual arrival09:53 MDT
Duration3h 20m
AircraftN54558 A21N
Max altitude36,025 ft
Distance tracked1,403 nm

Leg 2 of 2

FAA SWIM schedule
RouteKDEN DENVER INTERNATIONAL → KPDX PORTLAND INTERNATIONAL
StatusCompleted, departure delayed +26 min
Scheduled departure11:34 MDT
Actual departure12:00 MDT delayed +26 min
Actual arrival13:10 PDT
Duration2h 10m
AircraftN14559 A21N
Max altitude32,000 ft
Distance tracked860 nm

Punctuality, last 30 days

Flights14
On time4 (29%)
Average delay+24 min
Worst delay+65 min

In the last 30 days UAL644 departed on time (within 15 minutes) on 4 of 14 flights (29%), with an average departure delay of +24 min and a worst delay of +65 min.

UAL644 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.