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United Airlines

Is UA340 delayed?

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

Arrived

4 min late

Updated

Departure

Atlanta

ATL

Actual

Scheduled 08:50

Aug 23

Arrival

Denver

DEN

Actual

Scheduled 10:14

Aug 23

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Atlanta → DenverATLDEN
Route overview

Recent arrivals

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

  • ATL → DEN

    22 min early

  • ATL → DEN

    29 min early

  • ATL → DEN

    35 min early

  • ATL → DEN

    32 min early

  • ATL → DEN

    34 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
24
Arrivals over 15 minutes late
2
Observed cancellations
0
Observed occurrences
29

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

UA340 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedAtlantaDenver
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-22
Sep 16, 2026ArrivedAtlantaDenver
-29
Sep 15, 2026ArrivedAtlantaDenver
-35
Sep 14, 2026ArrivedAtlantaDenver
-32
Sep 12, 2026ArrivedAtlantaDenver
34
Sep 10, 2026ArrivedAtlantaDenver
22
Sep 9, 2026ArrivedAtlantaDenver
-35
Sep 7, 2026ArrivedAtlantaDenver
-17
Sep 6, 2026ArrivedAtlantaDenver
9
Sep 5, 2026ArrivedAtlantaDenver
-20
Sep 4, 2026ArrivedAtlantaDenver
-32
Sep 2, 2026ArrivedAtlantaDenver
-39
Sep 1, 2026ArrivedAtlantaDenver
-30
Aug 31, 2026ArrivedAtlantaDenver
-44
Aug 30, 2026ArrivedAtlantaDenver
-37
Aug 29, 2026ArrivedAtlantaDenver
-34
Aug 28, 2026ArrivedAtlantaDenver
-28
Aug 27, 2026ArrivedAtlantaDenver
-19
Aug 26, 2026ArrivedAtlantaDenver
-32
Aug 25, 2026ArrivedAtlantaDenver
-35
Aug 24, 2026ArrivedAtlantaDenver
-20
Aug 23, 2026ArrivedAtlantaDenver
4
Aug 21, 2026ArrivedAtlantaDenver
-5
Aug 20, 2026ArrivedAtlantaDenver
-31

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