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United Airlines

Is UA2171 delayed?

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

Arrived

17 min early

Updated

Departure

Newark

EWR

Actual

Scheduled 18:00

Aug 23

Arrival

San Francisco

SFO

Actual

Scheduled 21:15

Aug 23

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Newark → San FranciscoEWRSFO
Route overview

Recent arrivals

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

  • EWR → SFO

    15 min late

  • EWR → SFO

    On time

  • EWR → SFO

    13 min early

  • EWR → SFO

    18 min early

  • EWR → SFO

    36 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
28
Arrivals over 15 minutes late
9
Observed cancellations
0
Observed occurrences
29

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

UA2171 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedNewarkSan Francisco
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15
Sep 16, 2026ArrivedNewarkSan Francisco
0
Sep 15, 2026ArrivedNewarkSan Francisco
-13
Sep 14, 2026ArrivedNewarkSan Francisco
-18
Sep 13, 2026ArrivedNewarkSan Francisco
36
Sep 12, 2026ArrivedNewarkSan Francisco
49
Sep 11, 2026DivertedNewarkSan FranciscoNot available
Not available
Sep 10, 2026ArrivedNewarkSan Francisco
172
Sep 9, 2026ArrivedNewarkSan Francisco
192
Sep 8, 2026ArrivedNewarkSan Francisco
-20
Sep 7, 2026ArrivedNewarkSan Francisco
9
Sep 6, 2026ArrivedNewarkSan Francisco
-25
Sep 5, 2026ArrivedNewarkSan Francisco
-29
Sep 4, 2026ArrivedNewarkSan Francisco
-27
Sep 3, 2026ArrivedNewarkSan Francisco
5
Sep 2, 2026ArrivedNewarkSan Francisco
75
Sep 1, 2026ArrivedNewarkSan Francisco
93
Aug 31, 2026ArrivedNewarkSan Francisco
70
Aug 30, 2026ArrivedNewarkSan Francisco
-31
Aug 29, 2026ArrivedNewarkSan Francisco
7
Aug 28, 2026ArrivedNewarkSan Francisco
-16
Aug 27, 2026ArrivedNewarkSan Francisco
179
Aug 26, 2026ArrivedNewarkSan Francisco
-19
Aug 25, 2026ArrivedNewarkSan Francisco
-26
Aug 24, 2026ArrivedNewarkSan Francisco
-4
Aug 23, 2026ArrivedNewarkSan Francisco
-17
Aug 22, 2026ArrivedNewarkSan Francisco
25
Aug 21, 2026ArrivedNewarkSan Francisco
-13
Aug 19, 2026ArrivedNewarkSan Francisco
-18

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