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United Airlines

Is UA2850 delayed?

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

Arrived

31 min late

Official source · Updated

Departure

San Francisco

SFO

Actual

Scheduled 17:06

Sep 14

Arrival

Ontario

ONT

Actual

Scheduled 01:04

Sep 15

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • SFO → ONT

    31 min late

  • SFO → ONT

    4 min early

  • SFO → ONT

    13 min late

  • SFO → ONT

    11 min late

  • IAH → CVG

    22 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
19
Arrivals over 15 minutes late
3
Observed cancellations
3
Observed occurrences
24

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

UA2850 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 14, 2026ArrivedSan FranciscoOntario
31
Sep 11, 2026ArrivedSan FranciscoOntario
-4
Sep 10, 2026ArrivedSan FranciscoOntario
13
Sep 9, 2026ArrivedSan FranciscoOntario
11
Sep 7, 2026ArrivedHoustonHebron
-22
Sep 6, 2026ArrivedPortlandSan Francisco
-17
Sep 5, 2026ArrivedDallas-Fort WorthSan Francisco
-27
Sep 4, 2026ArrivedHoustonHebron
-15
Sep 3, 2026ArrivedHoustonHebron
-23
Sep 2, 2026ArrivedHoustonHebron
44
Sep 1, 2026ArrivedHoustonHebron
-10
Aug 31, 2026CancelledRenoNot available
Not available
Aug 31, 2026ArrivedHoustonHebron
-24
Aug 28, 2026CancelledRenoNot available
Not available
Aug 28, 2026ArrivedHoustonHebron
-26
Aug 27, 2026CancelledRenoNot available
Not available
Aug 27, 2026ArrivedHoustonHebron
-31
Aug 26, 2026ArrivedHoustonHebron
-18
Aug 25, 2026ArrivedHoustonHebron
-21
Aug 24, 2026ArrivedHoustonHebron
31
Aug 21, 2026ArrivedHoustonHebron
-24
Aug 20, 2026ArrivedHoustonHebron
-25

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