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Is UA2123 delayed?

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

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

Arrived

14 min early

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 21:28

Sep 11

Arrival

San Francisco

SFO

Actual

Scheduled 22:48

Sep 11

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Service date: · Scheduled departure date (UTC)

Arrived

1 min early

Official source · Updated

Departure

Kansas City

MCI

Actual

Scheduled 22:28

Sep 11

Arrival

Denver

DEN

Actual

Scheduled 18:08

Sep 11

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Route overview: Denver → San FranciscoDENSFO
Route overview

Recent arrivals

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

  • DEN → SFO

    2 min late

  • MCI → DEN

    11 min late

  • DEN → SFO

    12 min late

  • MCI → DEN

    119 min late

  • DEN → SFO

    22 min late
Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals
40
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
42

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

UA2123 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 19, 2026ArrivedDenverSan Francisco
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2
Sep 19, 2026ArrivedKansas CityDenver
11
Sep 18, 2026ArrivedDenverSan Francisco
12
Sep 18, 2026ArrivedKansas CityDenver
119
Sep 17, 2026ArrivedDenverSan Francisco
22
Sep 17, 2026ArrivedKansas CityDenver
3
Sep 16, 2026ArrivedDenverSan Francisco
56
Sep 16, 2026ArrivedKansas CityDenver
-1
Sep 15, 2026ArrivedDenverSan Francisco
-2
Sep 15, 2026ArrivedKansas CityDenver
-23
Sep 14, 2026ArrivedDenverSan Francisco
-1
Sep 13, 2026ArrivedDenverSan Francisco
1
Sep 13, 2026ArrivedKansas CityDenver
-19
Sep 12, 2026ArrivedDenverSan Francisco
-22
Sep 12, 2026ArrivedKansas CityDenver
1
Sep 11, 2026ArrivedDenverSan Francisco
-14
Sep 11, 2026ArrivedKansas CityDenver
-1
Sep 10, 2026ArrivedDenverSan Francisco
-10
Sep 10, 2026ArrivedKansas CityDenver
-15
Sep 9, 2026ArrivedDenverSan Francisco
-17
Sep 9, 2026ArrivedKansas CityDenver
-24
Sep 8, 2026ArrivedDenverSan Francisco
7
Sep 8, 2026ArrivedKansas CityDenver
4
Sep 7, 2026ArrivedDenverSan Francisco
-9
Sep 7, 2026ArrivedKansas CityDenver
24
Sep 6, 2026ArrivedDenverSan Francisco
3
Sep 6, 2026ArrivedKansas CityDenver
-17
Sep 5, 2026ArrivedDenverSan Francisco
-18
Sep 5, 2026ArrivedKansas CityDenver
0
Sep 4, 2026ArrivedDenverSan Francisco
-11
Sep 4, 2026ArrivedKansas CityDenver
7
Sep 3, 2026ArrivedDenverSan Francisco
44
Sep 2, 2026ArrivedDenverSan Francisco
-7
Sep 1, 2026ArrivedDenverSan Francisco
-20
Aug 31, 2026ArrivedDenverSan Francisco
9
Aug 30, 2026ArrivedDenverSan Francisco
-2
Aug 29, 2026ArrivedDenverSan Francisco
0
Aug 28, 2026ArrivedDenverSan Francisco
6
Aug 27, 2026ArrivedDenverSan Francisco
-14
Aug 26, 2026ArrivedDenverSan Francisco
25

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