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United Airlines

Is UA1812 delayed?

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

Arrived

On time

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 13:49

Sep 8

Arrival

San Francisco

SFO

Actual

Sep 8

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
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

    20 min late

  • SFO → PDX

    10 min late

  • DEN → SFO

    37 min late

  • SFO → PDX

    8 min late

  • DEN → SFO

    8 min early
Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals
40
Arrivals over 15 minutes late
10
Observed cancellations
0
Observed occurrences
51

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

UA1812 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 20, 2026ArrivedDenverSan Francisco
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20
Sep 19, 2026ArrivedSan FranciscoPortland
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10
Sep 19, 2026ArrivedDenverSan Francisco
37
Sep 18, 2026ArrivedSan FranciscoPortland
8
Sep 18, 2026ArrivedDenverSan Francisco
-8
Sep 17, 2026ArrivedSan FranciscoPortland
113
Sep 17, 2026DivertedDenverSan FranciscoNot available
Not available
Sep 16, 2026ArrivedSan FranciscoPortland
40
Sep 16, 2026ArrivedDenverSan Francisco
-15
Sep 15, 2026ArrivedDenverSan Francisco
-13
Sep 14, 2026ArrivedSan FranciscoPortland
-12
Sep 14, 2026ArrivedDenverSan Francisco
-6
Sep 13, 2026ArrivedDenverSan Francisco
-10
Sep 12, 2026ArrivedSan FranciscoPortland
-4
Sep 12, 2026ArrivedDenverSan Francisco
4
Sep 11, 2026ArrivedDenverSan Francisco
-7
Sep 10, 2026ArrivedDenverSan Francisco
-12
Sep 9, 2026ArrivedSan FranciscoPortland
45
Sep 9, 2026ArrivedDenverSan Francisco
-13
Sep 8, 2026ArrivedDenverSan Francisco
0
Sep 7, 2026ArrivedSan FranciscoPortland
6
Sep 7, 2026ArrivedDenverSan Francisco
3
Sep 6, 2026ArrivedSan FranciscoPortland
-4
Sep 6, 2026ArrivedDenverSan Francisco
-4
Sep 5, 2026ArrivedDenverSan Francisco
66
Sep 4, 2026ArrivedSan FranciscoPortland
-20
Sep 4, 2026ArrivedDenverSan Francisco
12
Sep 3, 2026ArrivedSan FranciscoPortland
18
Sep 3, 2026ArrivedDenverSan Francisco
25
Sep 2, 2026ArrivedDenverSan Francisco
48
Sep 1, 2026ArrivedDenverSan Francisco
10
Aug 31, 2026ArrivedDenverSan Francisco
0
Aug 30, 2026ArrivedDenverSan Francisco
-26
Aug 29, 2026ArrivedDenverSan Francisco
-10
Aug 28, 2026ArrivedDenverSan Francisco
13
Aug 27, 2026ArrivedDenverSan Francisco
-15
Aug 26, 2026ArrivedDenverSan Francisco
-15
Aug 25, 2026ArrivedDenverSan Francisco
-21
Aug 24, 2026ArrivedSan FranciscoPortland
55
Aug 24, 2026ArrivedDenverSan Francisco
-6
Aug 23, 2026ArrivedDenverSan Francisco
-6

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