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United Airlines

Is UA1812 delayed?

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

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

Arrived

8 min late

Official source · Updated

Departure

San Francisco

SFO

Actual

Scheduled 16:54

Sep 18

Arrival

Portland

PDX

Actual

Scheduled 01:15

Sep 19

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

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

Arrived

8 min early

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 13:49

Sep 18

Arrival

San Francisco

SFO

Actual

Scheduled 15:10

Sep 18

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.

  • SFO → PDX

    14 min early

  • DEN → SFO

    34 min late

  • SFO → PDX

    67 min late

  • DEN → SFO

    20 min late

  • SFO → PDX

    10 min late
Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals
43
Arrivals over 15 minutes late
12
Observed cancellations
0
Observed occurrences
53

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 21, 2026ArrivedSan FranciscoPortland
-14
Sep 21, 2026ArrivedDenverSan Francisco
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34
Sep 20, 2026ArrivedSan FranciscoPortland
67
Sep 20, 2026ArrivedDenverSan Francisco
20
Sep 19, 2026ArrivedSan FranciscoPortland
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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