UA644 · UAL644

UAL644 over the last 30 days

As of 2026-10-26

UAL644 is operated by United Airlines on the route LaGuardia Airport (LGA/KLGA) → Denver International Airport (DEN/KDEN). It usually takes off around 11:56 UTC (07:56 local time, LGA). It usually lands around 15:37 UTC (09:37 local time, DEN). Most frequent aircraft type: AIRBUS A-321neo (A21N).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

11:56 UTC · 07:56 local time (LGA)

Typical landing

15:37 UTC · 09:37 local time (DEN)

Typical time airborne

218 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

77 %

Departures measured

144

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• AIRBUS A-321neo (A21N) — Number of flights: 75
• BOEING 737-800 (B738) — Number of flights: 2
• AIRBUS A-320 (A320) — Number of flights: 1

Aircraft in the last 7 days

• N38443 · BOEING 737-900 2026-10-26
• N76533 · BOEING 737-800 2026-10-26
• N489UA · AIRBUS A-320 2026-10-25
• N37274 · BOEING 737-800 2026-10-25
• N34574 · AIRBUS A-321neo 2026-10-24
• N14559 · AIRBUS A-321neo 2026-10-24

Related flights on this route

• All flights KLGA – KDEN