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United Airlines

Is UA8577 delayed?

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

Arrived

On time

Official source · Updated

Departure

Vancouver

YVR

Scheduled

Not available

Arrival

San Francisco

SFO

Actual

Sep 4

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Vancouver → San FranciscoYVRSFO
Route overview

Recent arrivals

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

  • YVR → SFO

    55 min late

  • YVR → SFO

    18 min early

  • YVR → SFO

    8 min late

  • YVR → SFO

    9 min late

  • YVR → SFO

    14 min early
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
14
Arrivals over 15 minutes late
2
Observed cancellations
0
Observed occurrences
14

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

UA8577 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedVancouverSan Francisco
55
Sep 16, 2026ArrivedVancouverSan Francisco
-18
Sep 15, 2026ArrivedVancouverSan Francisco
8
Sep 14, 2026ArrivedVancouverSan Francisco
9
Sep 13, 2026ArrivedVancouverSan Francisco
-14
Sep 12, 2026ArrivedVancouverSan Francisco
6
Sep 11, 2026ArrivedVancouverSan Francisco
-5
Sep 10, 2026ArrivedVancouverSan Francisco
-3
Sep 9, 2026ArrivedVancouverSan Francisco
11
Sep 8, 2026ArrivedVancouverSan Francisco
-4
Sep 7, 2026ArrivedVancouverSan Francisco
45
Sep 6, 2026ArrivedVancouverSan Francisco
9
Sep 5, 2026ArrivedVancouverSan Francisco
-12
Sep 4, 2026ArrivedVancouverSan Francisco
0

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