Skip to content

United Airlines

Is UA2661 delayed?

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

Arrived

2 min late

Official source · Updated

Departure

San Francisco

SFO

Actual

Scheduled 11:03

Sep 6

Arrival

Ontario

ONT

Actual

Scheduled 19:08

Sep 6

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • SFO → ONT

    2 min early

  • SFO → ONT

    24 min late

  • SFO → ONT

    10 min late

  • SFO → ONT

    36 min late

  • PHL → SFO

    29 min early
Flight history and details

Aug 24, 2026 — Sep 23, 2026

Observed arrivals
30
Arrivals over 15 minutes late
5
Observed cancellations
0
Observed occurrences
42

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

UA2661 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 21, 2026ArrivedSan FranciscoOntario
-2
Sep 20, 2026ArrivedSan FranciscoOntario
24
Sep 19, 2026ArrivedSan FranciscoOntario
10
Sep 18, 2026ArrivedSan FranciscoOntario
36
Sep 18, 2026ArrivedPhiladelphiaSan Francisco
-29
Sep 17, 2026ArrivedSan FranciscoOntario
-16
Sep 17, 2026ArrivedPhiladelphiaSan Francisco
-17
Sep 16, 2026ArrivedSan FranciscoOntario
-9
Sep 14, 2026ArrivedSan FranciscoOntario
29
Sep 13, 2026ArrivedSan FranciscoOntario
-5
Sep 12, 2026ArrivedSan FranciscoOntario
1
Sep 11, 2026ArrivedPhiladelphiaSan Francisco
-8
Sep 10, 2026ArrivedSan FranciscoOntario
10
Sep 10, 2026ArrivedPhiladelphiaSan Francisco
-16
Sep 9, 2026ArrivedSan FranciscoOntario
17
Sep 8, 2026ArrivedSan FranciscoOntario
-13
Sep 7, 2026ArrivedSan FranciscoOntario
0
Sep 7, 2026ArrivedPhiladelphiaSan Francisco
-22
Sep 6, 2026ArrivedSan FranciscoOntario
2
Sep 5, 2026ArrivedSan FranciscoOntario
-12
Sep 4, 2026ArrivedSan FranciscoOntario
-15
Sep 4, 2026ArrivedPhiladelphiaSan Francisco
0
Sep 3, 2026ArrivedPhiladelphiaSan Francisco
31
Sep 2, 2026ArrivedPhiladelphiaSan Francisco
-21
Aug 31, 2026ArrivedPhiladelphiaSan Francisco
-20
Aug 30, 2026ArrivedPhiladelphiaSan Francisco
-18
Aug 28, 2026ArrivedPhiladelphiaSan Francisco
-23
Aug 27, 2026ArrivedPhiladelphiaSan Francisco
-4
Aug 26, 2026ArrivedPhiladelphiaSan Francisco
-2
Aug 24, 2026ArrivedPhiladelphiaSan Francisco
-21

Essential cookies keep the site running; analytics are optional. Privacy policy