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flight_takeoff Flight

UAL644T

Operated by United Airlines

Live map

Live map filtered to UAL644T. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
12:45 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
100° / 7G19 kt
Visibility
10 SM
Ceiling
FEW 11,000 ft
Temp / Dew
31°C / 7°C
Altimeter
30.16 inHg

Obs: 2026-07-15T17:53:00.000Z

Raw METAR / TAF 
METAR KDEN 151753Z 10007G19KT 10SM FEW110 31/07 A3016 RMK AO2 SLP117 T03110067 10311 20172 58009

TAF KDEN 151735Z 1518/1624 12010KT P6SM FEW110 FM152100 10013G20KT P6SM FEW110 FEW220 FM160200 14015G24KT P6SM FEW220 FM160800 17014KT P6SM SKC FM161400 22008KT P6SM FEW100 FM161700 10009KT P6SM FEW110 FEW220 FM162100 08012G19KT P6SM FEW110 FEW220

flight Live Traffic

flight_takeoff 464 Departures
flight_land 434 Arrivals

Arrival

PDX KPDX VFR

Portland International Airport

Portland, US

Local time
11:45 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
31 ft
Coordinates
45.5887, -122.5980

cloud Weather

Wind
270° / 8 kt
Visibility
10 SM
Ceiling
BKN 12,000 ft, BKN 20,000 ft
Temp / Dew
22°C / 12°C
Altimeter
30.06 inHg

Obs: 2026-07-15T17:53:00.000Z

Raw METAR / TAF 
METAR KPDX 151753Z 27008KT 10SM BKN120 BKN200 22/12 A3006 RMK AO2 SLP178 FU BKN120 T02170122 10217 20156 58011 $

TAF KPDX 151740Z 1518/1618 31008KT P6SM FEW150 FM161300 18005KT P6SM SCT020 BKN150

flight Live Traffic

flight_takeoff 158 Departures
flight_land 181 Arrivals

Recent history last 4

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-13 A448FA DEN → PDX Jul 13, 18:00 UTCJul 13, 20:05 UTC2h 5m - -
2026-07-13 A448FA DEN → PDX Jul 13, 17:49 UTCJul 13, 20:02 UTC2h 13m +22m -13m
2026-06-19 A837A7 DEN → PDX Jun 19, 17:39 UTCJun 19, 19:54 UTC2h 15m - -
2026-05-08 A8FC72 DEN → PDX May 8, 17:40 UTCMay 8, 20:00 UTC2h 20m - -

Performance history

Flights tracked
4
Avg arrival delay
-13m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 3 months

Month Flights tracked
July 2026 2
June 2026 1
May 2026 1

UAL644T frequently asked

Where does flight UAL644T fly?
UAL644T (United Airlines) flies from DEN to PDX. View the full route page.
How long is flight UAL644T?
Based on observed flights, UAL644T takes on average 2h 13m from takeoff to landing.
How often does UAL644T fly?
UAL644T has been observed flying occasionally in our tracking data. We've recorded 4 flights under this callsign.
Is flight UAL644T usually on time?
Across recent flights, UAL644T arrives 13 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL644T?
UAL644T has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL644T live?
Yes. When UAL644T is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.