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United Airlines

Is UA644 delayed?

Yes, UA644 left Dallas-Fort Worth 22 min late, at 09:22 on Nov 14. Arrival time not confirmed yet.

Usually on time: arrived within 15 min of schedule on 51 of the last 57 flights.

Each route and date is shown separately. Confirm that both airports match your booking.

DepartedLast reported

22 min late

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Dallas-Fort Worth

DFW

Actual

Scheduled 09:00

Nov 14

Arrival

Denver

DEN

Scheduled

Nov 14

Times shown in airport local time

Service date: · Scheduled departure date (America/Chicago)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Denver

DEN

Scheduled

Nov 14

Arrival

Portland

PDX

Scheduled

Nov 14

Times shown in airport local time

Service date: · Scheduled departure date (America/Denver)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Route overview: Dallas-Fort Worth → DenverDFWDEN
Dallas-Fort Worth → Denver

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Denver → Portland

    17 min early

  • Dallas-Fort Worth → Denver

    On schedule (9 min behind)

  • Denver → Portland

    11 min early

  • Dallas-Fort Worth → Denver

    40 min late

  • Denver → Portland

    24 min early

Is UA644 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
57
On time
89%
of 57 arrivals
Late
11%
of 57 arrivals
Cancelled
0%
of 59 flights
Median arrival delay
9 min early
9 in 10 arrived within
14 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Denver (DEN) departures

Left more than 15 min late
27 of 62
Cancelled today
47

Related flights

All United Airlines flights

Flight history and details
UA644 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026ArrivedDenverPortland-17
Nov 13, 2026ArrivedDallas-Fort WorthDenver9
Nov 12, 2026ArrivedDenverPortland-11
Nov 12, 2026ArrivedDallas-Fort WorthDenver40
Nov 11, 2026ArrivedDenverPortland-24
Nov 11, 2026ArrivedDallas-Fort WorthDenver12
Nov 10, 2026ArrivedDenverPortland-22
Nov 9, 2026ArrivedDenverPortland-23
Nov 9, 2026ArrivedDallas-Fort WorthDenver-12
Nov 8, 2026ArrivedDenverPortland-12
Nov 8, 2026ArrivedDallas-Fort WorthDenver0
Nov 7, 2026ArrivedDenverPortland-25
Nov 7, 2026ArrivedDallas-Fort WorthDenver-21
Nov 6, 2026ArrivedDenverPortland-16
Nov 6, 2026ArrivedDallas-Fort WorthDenver-23
Nov 5, 2026ArrivedDenverPortland-17
Nov 5, 2026ArrivedDallas-Fort WorthDenver10
Nov 4, 2026ArrivedDenverPortland-33
Nov 4, 2026ArrivedDallas-Fort WorthDenver10
Nov 3, 2026ArrivedDenverPortland-28
Nov 3, 2026ArrivedDallas-Fort WorthDenver-9
Nov 2, 2026ArrivedDenverPortland-22
Nov 2, 2026ArrivedDallas-Fort WorthDenver-1
Nov 1, 2026ArrivedDenverPortland-19
Nov 1, 2026ArrivedDallas-Fort WorthDenver8
Oct 31, 2026ArrivedDenverPortland-32
Oct 31, 2026ArrivedDallas-Fort WorthDenver3
Oct 30, 2026ArrivedDenverPortland-15
Oct 30, 2026ArrivedDallas-Fort WorthDenver3
Oct 29, 2026ArrivedDenverPortland-5
Oct 28, 2026ArrivedDenverPortland-26
Oct 28, 2026ArrivedDallas-Fort WorthDenver8
Oct 27, 2026ArrivedDenverPortland17
Oct 27, 2026ArrivedDallas-Fort WorthDenver-13
Oct 26, 2026ArrivedDenverPortland22
Oct 26, 2026ArrivedDallas-Fort WorthDenver-62
Oct 25, 2026ArrivedDenverPortland9
Oct 25, 2026ArrivedDallas-Fort WorthDenver-10
Oct 24, 2026ArrivedDenverPortland2
Oct 24, 2026ArrivedNew YorkDenver53
Oct 23, 2026ArrivedDenverPortland18
Oct 23, 2026ArrivedNew YorkDenver-10
Oct 22, 2026ArrivedDenverPortland-19
Oct 22, 2026ArrivedNew YorkDenver-4
Oct 21, 2026ArrivedDenverPortland-15
Oct 21, 2026ArrivedNew YorkDenver-2
Oct 20, 2026ArrivedDenverPortland-9
Oct 20, 2026ArrivedNew YorkDenver6
Oct 19, 2026ArrivedDenverPortland-7
Oct 19, 2026ArrivedNew YorkDenver-14
Oct 18, 2026ArrivedDenverPortland-19
Oct 18, 2026ArrivedNew YorkDenver-36
Oct 17, 2026ArrivedDenverPortland2
Oct 17, 2026ArrivedNew YorkDenver2
Oct 16, 2026ArrivedDenverPortland0
Oct 16, 2026ArrivedNew YorkDenver55
Oct 15, 2026ArrivedDenverPortland1
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