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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)

Estimated arrivalLast reported

6 min early

This update may be out of date. Check with your airline.

Update time unavailable

Departure

San Francisco

SFO

Actual

Scheduled 16:28

Aug 27

Arrival

Portland

PDX

Estimated

Scheduled 01:19

Aug 28

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Not available

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

Arrived

15 min early

Updated

Departure

Denver

DEN

Actual

Scheduled 13:30

Aug 27

Arrival

San Francisco

SFO

Actual

Scheduled 15:14

Aug 27

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
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

    8 min early

  • SFO → PDX

    113 min late

  • SFO → PDX

    40 min late

  • DEN → SFO

    15 min early

  • DEN → SFO

    13 min early
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
37
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
50

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 18, 2026ArrivedDenverSan Francisco
View this flight’s market
-8
Sep 17, 2026ArrivedSan FranciscoPortland
View this flight’s market
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
Aug 21, 2026ArrivedDenverSan Francisco
-4

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