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United Airlines

Is UA2478 delayed?

No — UA2478 landed in San Francisco 18 min early, at 17:16 on Sep 26 (as of Sep 27, 00:53 UTC). Over its last 46 recorded arrivals, 14 landed more than 15 min late.

Arrived

18 min early

Official source · Updated

Departure

Seattle

SEA

Scheduled

Not available

Arrival

San Francisco

SFO

Actual

Scheduled 17:34

Sep 26

Times shown in airport local time

Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Seattle → San FranciscoSEASFO
Route overview

Recent arrivals

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

  • SEA → SFO

    18 min early

  • SFO → ONT

    36 min late

  • SEA → SFO

    63 min late

  • SEA → SFO

    72 min late

  • SFO → ONT

    19 min early
Flight history and details

Aug 28, 2026 — Sep 27, 2026

Observed arrivals
46
Arrivals over 15 minutes late
14
Observed cancellations
0
Observed occurrences
58

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

UA2478 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 26, 2026ArrivedSeattleSan Francisco
-18
Sep 25, 2026ArrivedSan FranciscoOntario
36
Sep 25, 2026ArrivedSeattleSan Francisco
63
Sep 24, 2026ArrivedSeattleSan Francisco
72
Sep 23, 2026ArrivedSan FranciscoOntario
-19
Sep 23, 2026ArrivedSeattleSan Francisco
-27
Sep 22, 2026ArrivedSan FranciscoOntario
-23
Sep 22, 2026ArrivedSeattleSan Francisco
-29
Sep 21, 2026ArrivedSeattleSan Francisco
44
Sep 20, 2026ArrivedSeattleSan Francisco
69
Sep 19, 2026ArrivedSan FranciscoOntario
-8
Sep 19, 2026ArrivedSeattleSan Francisco
-24
Sep 18, 2026ArrivedSeattleSan Francisco
26
Sep 17, 2026ArrivedSeattleSan Francisco
110
Sep 16, 2026ArrivedSeattleSan Francisco
22
Sep 15, 2026ArrivedSan FranciscoOntario
-12
Sep 15, 2026ArrivedSeattleSan Francisco
-12
Sep 14, 2026ArrivedSan FranciscoOntario
-17
Sep 14, 2026ArrivedSeattleSan Francisco
-3
Sep 13, 2026ArrivedSan FranciscoOntario
-12
Sep 13, 2026ArrivedSeattleSan Francisco
-19
Sep 12, 2026ArrivedSan FranciscoOntario
7
Sep 12, 2026ArrivedSeattleSan Francisco
-7
Sep 11, 2026ArrivedSan FranciscoOntario
7
Sep 11, 2026ArrivedSeattleSan Francisco
-29
Sep 10, 2026ArrivedSan FranciscoOntario
-13
Sep 10, 2026ArrivedSeattleSan Francisco
11
Sep 9, 2026ArrivedSan FranciscoOntario
-15
Sep 9, 2026ArrivedSeattleSan Francisco
-16
Sep 8, 2026ArrivedSan FranciscoOntario
-10
Sep 8, 2026ArrivedSeattleSan Francisco
-18
Sep 7, 2026ArrivedSan FranciscoOntario
-16
Sep 7, 2026ArrivedSeattleSan Francisco
-24
Sep 6, 2026ArrivedSan FranciscoOntario
-20
Sep 6, 2026ArrivedSeattleSan Francisco
-30
Sep 5, 2026ArrivedSan FranciscoOntario
-24
Sep 5, 2026ArrivedSeattleSan Francisco
-23
Sep 4, 2026ArrivedSeattleSan Francisco
25
Sep 3, 2026ArrivedSeattleSan Francisco
64
Sep 2, 2026ArrivedSeattleSan Francisco
-14
Sep 1, 2026ArrivedSeattleSan Francisco
57
Aug 31, 2026ArrivedSeattleSan Francisco
24
Aug 30, 2026ArrivedSeattleSan Francisco
-28
Aug 29, 2026ArrivedSeattleSan Francisco
-14
Aug 28, 2026ArrivedSan FranciscoOntario
32
Aug 28, 2026ArrivedSeattleSan Francisco
18

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