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Is UA2459 delayed?

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

Service date: · Scheduled arrival date; departure time unavailable (UTC)

Arrived

13 min early

Official source · Updated

Departure

Denver

DEN

Scheduled

Not available

Arrival

Calgary

YYC

Actual

Scheduled 19:53

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual

Service date: · Scheduled departure date (UTC)

Arrived

4 min late

Official source · Updated

Departure

St Louis

STL

Actual

Scheduled 14:17

Sep 7

Arrival

Denver

DEN

Actual

Scheduled 10:23

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • STL → DEN

    46 min late

  • DEN → YYC

    13 min early

  • STL → DEN

    9 min late

  • DEN → YYC

    2 min early

  • STL → DEN

    8 min early
Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals
42
Arrivals over 15 minutes late
4
Observed cancellations
0
Observed occurrences
43

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 20, 2026ArrivedSt LouisDenver
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46
Sep 19, 2026ArrivedDenverCalgary
-13
Sep 19, 2026ArrivedSt LouisDenver
9
Sep 18, 2026ArrivedDenverCalgary
-2
Sep 18, 2026ArrivedSt LouisDenver
-8
Sep 17, 2026ArrivedDenverCalgary
-22
Sep 17, 2026ArrivedSt LouisDenver
-8
Sep 16, 2026ArrivedDenverCalgary
-14
Sep 16, 2026ArrivedSt LouisDenver
-26
Sep 15, 2026ArrivedDenverCalgary
-21
Sep 15, 2026ArrivedSt LouisDenver
-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

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