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United Airlines

Is UA4779 delayed?

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

Arrived

21 min early

Official source · Updated

Departure

Reno

RNO

Actual

Scheduled 16:14

Sep 21

Arrival

San Francisco

SFO

Actual

Scheduled 17:20

Sep 21

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Recent arrivals

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

  • RNO → SFO

    6 min late

  • RNO → SFO

    26 min early

  • RNO → SFO

    21 min early

  • RNO → SFO

    44 min late

  • IAH → TYS

    22 min early
Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals
29
Arrivals over 15 minutes late
10
Observed cancellations
2
Observed occurrences
31

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

UA4779 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 23, 2026ArrivedRenoSan Francisco
6
Sep 22, 2026ArrivedRenoSan Francisco
-26
Sep 21, 2026ArrivedRenoSan Francisco
-21
Sep 20, 2026ArrivedRenoSan Francisco
44
Sep 19, 2026ArrivedHoustonKnoxville
-22
Sep 18, 2026ArrivedRenoSan Francisco
29
Sep 17, 2026CancelledRenoSan FranciscoNot available
Not available
Sep 17, 2026CancelledRenoSan FranciscoNot available
Not available
Sep 16, 2026ArrivedRenoSan Francisco
81
Sep 15, 2026ArrivedRenoSan Francisco
-9
Sep 14, 2026ArrivedRenoSan Francisco
16
Sep 13, 2026ArrivedRenoSan Francisco
-20
Sep 12, 2026ArrivedHoustonKnoxville
-17
Sep 11, 2026ArrivedRenoSan Francisco
108
Sep 10, 2026ArrivedRenoSan Francisco
38
Sep 9, 2026ArrivedRenoSan Francisco
71
Sep 8, 2026ArrivedRenoSan Francisco
-15
Sep 7, 2026ArrivedRenoSan Francisco
31
Sep 6, 2026ArrivedRenoSan Francisco
-10
Sep 5, 2026ArrivedRenoSan Francisco
-16
Sep 4, 2026ArrivedRenoSan Francisco
-9
Sep 3, 2026ArrivedRenoSan Francisco
8
Sep 2, 2026ArrivedRenoSan Francisco
-3
Sep 1, 2026ArrivedRenoSan Francisco
-23
Aug 31, 2026ArrivedRenoSan Francisco
39
Aug 30, 2026ArrivedRenoSan Francisco
27
Aug 29, 2026ArrivedRenoSan Francisco
-13
Aug 28, 2026ArrivedRenoSan Francisco
-2
Aug 27, 2026ArrivedRenoSan Francisco
7
Aug 26, 2026ArrivedRenoSan Francisco
-1
Aug 25, 2026ArrivedRenoSan Francisco
-14

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