United Airlines UA644 Flight Status Today

Domestic flight United Airlines UA644 takes off from Denver (DEN) United States to Portland (PDX) United States. It's operated by United Airlines. The plane leaves Denver International Airport at 07:30 29 December 2025 America/Denver. The flight is expected to land at Portland International Airport at 10:12 29 December 2025 America/Los_Angeles. The flight will last about 4 hours 42 minutes.

Current status of UA644 is Scheduled On time Estimated Depart in 3 hours, 17 minutes

UA644 - UAL644 United Airlines (UA)
DEN Denver United States
Flight DEN to PDX
PDX Portland United States
Scheduled On time Estimated Depart in 3 hours, 17 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 07:30 29 December 2025
Estimated 07:30 29 December 2025
S H12
Arrival Portland International Airport
IATA: PDXICAO: KPDX
Scheduled 10:12 29 December 2025
Estimated 10:12 29 December 2025
None A32
UA644 Detail
  • Type: Domestic Flight
  • Code Shares: CM 2854
  • Flight Duration: 4 hours 42 minutes
  • Flight Distance: 1596 kms / 992 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 167
  • Freight capacity: 17.1 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737-800 (Scimitar Winglets) Passenger
  • Callsign: F-KDTN1
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Denver: Monday 2025-12-29 04:13 AM
  • Current Time in Portland: Monday 2025-12-29 03:13 AM

United Airlines UA644 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA644
AIRPLANE Boeing 737-800 (Scimitar Winglets) Passenger
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 29
DELAYED 1
CANCELLED 0
ON TIME 54
DELAYED 4
CANCELLED 2
ON TIME 76
DELAYED 5
CANCELLED 2
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA644 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Fri 26 Dec
Scheduled On time
Denver (DEN) 2025-12-26T11:40
Portland (PDX) 2025-12-26T13:35
Sun 23 Nov
Departed On time
Denver (DEN) 2025-11-23T06:25
Portland (PDX) 2025-11-23T08:46
2025-11-23T06:20
Thu 20 Nov
Arrived On time
Denver (DEN) 2025-11-20T06:25
Portland (PDX) 2025-11-20T08:46
2025-11-20T06:20
2025-11-20T08:25
Mon 17 Nov
Departed On time
Denver (DEN) 2025-11-17T06:25
Portland (PDX) 2025-11-17T08:46
2025-11-17T06:21
Sun 16 Nov
Scheduled On time
Denver (DEN) 2025-11-16T06:25
Portland (PDX) 2025-11-16T08:46
Thu 13 Nov
Arrived On time
Denver (DEN) 2025-11-13T06:25
Portland (PDX) 2025-11-13T08:46
2025-11-13T06:17
2025-11-13T08:35
Wed 12 Nov
Arrived On time
Denver (DEN) 2025-11-12T06:25
Portland (PDX) 2025-11-12T08:46
2025-11-12T06:25
2025-11-12T08:31
Sat 08 Nov
Arrived Delayed by 15m
Denver (DEN) 2025-11-08T06:25
Portland (PDX) 2025-11-08T08:46
2025-11-08T06:24
2025-11-08T09:01
Fri 07 Nov
Arrived On time
Denver (DEN) 2025-11-07T06:25
Portland (PDX) 2025-11-07T08:46
2025-11-07T06:20
2025-11-07T08:30
Sat 01 Nov
Arrived On time
Denver (DEN) 2025-11-01T06:05
Portland (PDX) 2025-11-01T08:27
2025-11-01T05:58
2025-11-01T08:15

Flight routes similar to United Airlines UA644

Airline Flight no Departure Arrival
Southwest Airlines WN2581
Southwest Airlines 		29/12/2025
19:50 		2 hours 50 minutes
21:40
Alaska Airlines AS679
Alaska Airlines 		29/12/2025
19:11 		2 hours 59 minutes
21:10
Hawaiian Airlines HA4956
Hawaiian Airlines 		29/12/2025
07:20 		3 hours 52 minutes
09:18
Southwest Airlines WN2584
Southwest Airlines 		29/12/2025
22:35 		2 hours 50 minutes
00:25
United Airlines UA1247
United Airlines 		29/12/2025
08:00 		3 hours 28 minutes
10:01
United Airlines UA1770
United Airlines 		29/12/2025
21:02 		2 hours 57 minutes
22:59
Southwest Airlines WN578
Southwest Airlines 		29/12/2025
09:35 		2 hours 50 minutes
11:25
Lufthansa LH8602
Lufthansa 		29/12/2025
19:10 		2 hours 57 minutes
21:07

United Airlines Flight UA644 FAQs

What is the scheduled flight duration for United Airlines UA644 flight?

On average, nonstop flight takes 4 hour(s) 42 minutes, with the flight distance of 1596 km (992 miles).

What is the current status of United Airlines UA644 flight?

The current status of flight United Airlines UA644 is Scheduled On time.

What type of aircraft is used for the United Airlines UA644 flight?

All United Airlines UA644 flights are operated using Boeing 737-800 (Scimitar Winglets) Passenger aircraft.

How many United Airlines UA644 flights are operated a week?

7 flights per week. The Flight United Airlines UA644 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .