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United Airlines

Is UA2251 delayed?

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

Arrived

29 min late

Updated

Departure

Chicago

ORD

Actual

Scheduled 16:00

Aug 28

Arrival

San Francisco

SFO

Actual

Scheduled 18:49

Aug 28

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Chicago → San FranciscoORDSFO
Route overview

Recent arrivals

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

  • ORD → SFO

    141 min late

  • ORD → SFO

    27 min late

  • ORD → SFO

    68 min late

  • ORD → SFO

    18 min late

  • ORD → SFO

    38 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
28
Arrivals over 15 minutes late
11
Observed cancellations
0
Observed occurrences
28

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

UA2251 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedChicagoSan Francisco
141
Sep 16, 2026ArrivedChicagoSan Francisco
27
Sep 15, 2026ArrivedChicagoSan Francisco
68
Sep 14, 2026ArrivedChicagoSan Francisco
18
Sep 13, 2026ArrivedChicagoSan Francisco
38
Sep 12, 2026ArrivedChicagoSan Francisco
2
Sep 11, 2026ArrivedChicagoSan Francisco
-9
Sep 10, 2026ArrivedChicagoSan Francisco
-25
Sep 9, 2026ArrivedChicagoSan Francisco
0
Sep 8, 2026ArrivedChicagoSan Francisco
0
Sep 7, 2026ArrivedChicagoSan Francisco
48
Sep 6, 2026ArrivedChicagoSan Francisco
-13
Sep 5, 2026ArrivedChicagoSan Francisco
-30
Sep 4, 2026ArrivedChicagoSan Francisco
-5
Sep 3, 2026ArrivedChicagoSan Francisco
94
Sep 2, 2026ArrivedChicagoSan Francisco
9
Sep 1, 2026ArrivedChicagoSan Francisco
-16
Aug 31, 2026ArrivedChicagoSan Francisco
95
Aug 30, 2026ArrivedChicagoSan Francisco
21
Aug 29, 2026ArrivedChicagoSan Francisco
-15
Aug 28, 2026ArrivedChicagoSan Francisco
29
Aug 27, 2026ArrivedChicagoSan Francisco
8
Aug 26, 2026ArrivedChicagoSan Francisco
-15
Aug 25, 2026ArrivedChicagoSan Francisco
-7
Aug 24, 2026ArrivedChicagoSan Francisco
-10
Aug 23, 2026ArrivedChicagoSan Francisco
-8
Aug 22, 2026ArrivedChicagoSan Francisco
-16
Aug 21, 2026ArrivedChicagoSan Francisco
57

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