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United Airlines

Is UA2459 delayed?

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

Arrived

18 min late

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 11:21

Aug 29

Arrival

Calgary

YYC

Actual

Scheduled 19:53

Aug 29

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Recent arrivals

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

  • DEN → YYC

    21 min early

  • STL → DEN

    15 min early

  • DEN → YYC

    11 min early

  • STL → DEN

    2 min early

  • DEN → YYC

    6 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
34
Arrivals over 15 minutes late
3
Observed cancellations
0
Observed occurrences
38

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA2459 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedDenverCalgary
-21
Sep 15, 2026ArrivedSt LouisDenver
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-15
Sep 13, 2026ArrivedDenverCalgary
-11
Sep 13, 2026ArrivedSt LouisDenver
-2
Sep 12, 2026ArrivedDenverCalgary
-6
Sep 12, 2026ArrivedSt LouisDenver
-20
Sep 11, 2026ArrivedDenverCalgary
-9
Sep 11, 2026ArrivedSt LouisDenver
-18
Sep 10, 2026ArrivedSt LouisDenver
-11
Sep 9, 2026ArrivedDenverCalgary
-10
Sep 9, 2026ArrivedSt LouisDenver
-11
Sep 8, 2026ArrivedDenverCalgary
19
Sep 8, 2026ArrivedSt LouisDenver
-13
Sep 7, 2026ArrivedDenverCalgary
-13
Sep 7, 2026ArrivedSt LouisDenver
4
Sep 6, 2026ArrivedSt LouisDenver
-12
Sep 5, 2026ArrivedDenverCalgary
-20
Sep 5, 2026ArrivedSt LouisDenver
-28
Sep 4, 2026ArrivedDenverCalgary
17
Sep 4, 2026ArrivedSt LouisDenver
-13
Sep 3, 2026ArrivedDenverCalgary
-15
Sep 2, 2026ArrivedDenverCalgary
-23
Sep 1, 2026ArrivedDenverCalgary
-17
Aug 31, 2026ArrivedDenverCalgary
-7
Aug 30, 2026ArrivedDenverCalgary
-24
Aug 29, 2026ArrivedDenverCalgary
18
Aug 28, 2026ArrivedDenverCalgary
-9
Aug 27, 2026ArrivedDenverCalgary
-11
Aug 26, 2026ArrivedDenverCalgary
-21
Aug 25, 2026ArrivedDenverCalgary
-6
Aug 24, 2026ArrivedDenverCalgary
-15
Aug 23, 2026ArrivedDenverCalgary
-13
Aug 22, 2026ArrivedDenverCalgary
-19
Aug 21, 2026ArrivedDenverCalgary
-8

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