United Airlines UA644 Flight Status : Live Tracking & Updates

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 08:25 05 May 2026 America/Denver. The flight is expected to land at Portland International Airport at 10:28 05 May 2026 America/Los_Angeles. The flight will last about 4 hours 3 minutes.

Current status of UA644 is Scheduled On time Estimated Depart in 6 hours, 22 minutes

UA644 - UAL644 United Airlines (UA)
DEN Denver United States
Flight DEN to PDX
PDX Portland United States
Scheduled On time Estimated Depart in 6 hours, 22 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 08:25 05 May 2026
Estimated 08:25 05 May 2026
None D26
Arrival Portland International Airport
IATA: PDXICAO: KPDX
Scheduled 10:28 05 May 2026
Estimated 10:28 05 May 2026
None B22
UA644 Detail
  • Type: Domestic Flight
  • Code Shares: CM 2857
  • Flight Duration: 4 hours 3 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 757-300 (winglets) Passenger
  • Callsign: F-KDTN1
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Denver: Tuesday 2026-05-05 02:03 AM
  • Current Time in Portland: Tuesday 2026-05-05 01:03 AM

United Airlines UA644 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA644
AIRPLANE Boeing 757-300 (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
Sun 03 May
Departed On time
Denver (DEN) 2026-05-03T11:27
Portland (PDX) 2026-05-03T13:15
2026-05-03T11:21
Fri 01 May
Departed On time
Denver (DEN) 2026-05-01T11:27
Portland (PDX) 2026-05-01T13:15
2026-05-01T11:26
Tue 28 Apr
Scheduled On time
Denver (DEN) 2026-04-28T11:21
Portland (PDX) 2026-04-28T13:08
Sun 26 Apr
Scheduled On time
Denver (DEN) 2026-04-26T07:15
Portland (PDX) 2026-04-26T08:35
Thu 23 Apr
Scheduled On time
Denver (DEN) 2026-04-23T11:21
Portland (PDX) 2026-04-23T13:08
Mon 20 Apr
Scheduled On time
Denver (DEN) 2026-04-20T07:15
Portland (PDX) 2026-04-20T08:35
Mon 13 Apr
Arrived On time
Denver (DEN) 2026-04-13T11:21
Portland (PDX) 2026-04-13T13:08
2026-04-13T11:20
2026-04-13T13:06
Sun 12 Apr
Scheduled On time
Denver (DEN) 2026-04-12T11:21
Portland (PDX) 2026-04-12T13:08
Sat 11 Apr
Scheduled On time
Denver (DEN) 2026-04-11T07:15
Portland (PDX) 2026-04-11T08:35
Wed 08 Apr
Arrived On time
Denver (DEN) 2026-04-08T11:21
Portland (PDX) 2026-04-08T13:09
2026-04-08T11:21
2026-04-08T13:03

Flight routes similar to United Airlines UA644

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Southwest Airlines WN2606
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18:20 		2 hours 50 minutes
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United Airlines UA1337
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United Airlines Flight UA644 FAQs

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

On average, nonstop flight takes 4 hour(s) 3 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 757-300 (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 .