Is UA2661 delayed?
No — UA2661 landed in San Francisco 30 min early, at 08:33 on Oct 1 (as of Oct 1, 16:16 UTC).
Usually on time: arrived within 15 min of schedule on 29 of the last 36 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
30 min early
Official source · Updated
Departure
Philadelphia
PHL
Actual
Oct 1
Arrival
San Francisco
SFO
Actual
Scheduled 09:03
Oct 1
Times shown in airport local time
Service date: · Actual departure date; scheduled departure unavailable (America/New_York)
Market settled: On time.
Think UA2661 runs late on Oct 2? Delayed is trading at 22¢ — pays out x4.46.
Will United Airlines UAL 2661 from San Francisco to Ontario arrive on time, be delayed, or be cancelled on Oct 2?Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
25 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 11:09
Oct 1
Arrival
Ontario
ONT
Actual
Scheduled 12:18
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Also sold as NH7021, NZ9365, CA7299, VA8451
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 25 min early
San Francisco → Ontario
- 30 min early
Philadelphia → San Francisco
- 12 min early
San Francisco → Ontario
- 25 min early
Philadelphia → San Francisco
- 21 min early
San Francisco → Ontario
Is UA2661 usually late?
Observation window: Sep 2, 2026 – Oct 2, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Philadelphia (PHL) departures
- Left more than 15 min late
- 0 of 0
- Cancelled today
- 1
San Francisco (SFO) departures
- Left more than 15 min late
- 247 of 472
- Cancelled today
- 7
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 1, 2026Arrived | San Francisco | Ontario | -25 | |
| Oct 1, 2026Arrived | Philadelphia | San Francisco | -30 | |
| Sep 28, 2026Arrived | San Francisco | Ontario | -12 | |
| Sep 28, 2026Arrived | Philadelphia | San Francisco | -25 | |
| Sep 27, 2026Arrived | San Francisco | Ontario | -21 | |
| Sep 27, 2026Arrived | Philadelphia | San Francisco | -24 | |
| Sep 26, 2026Arrived | Philadelphia | San Francisco | -23 | |
| Sep 25, 2026Arrived | San Francisco | Ontario | 47 | |
| Sep 25, 2026Arrived | Philadelphia | San Francisco | -23 | |
| Sep 24, 2026Arrived | San Francisco | Ontario | 25 | |
| Sep 24, 2026Arrived | Philadelphia | San Francisco | -24 | |
| Sep 23, 2026Arrived | San Francisco | Ontario | 1 | |
| Sep 21, 2026Arrived | San Francisco | Ontario | -2 | |
| Sep 20, 2026Arrived | San Francisco | Ontario | 24 | |
| Sep 19, 2026Arrived | San Francisco | Ontario | 10 | |
| Sep 18, 2026Arrived | San Francisco | Ontario | 36 | |
| Sep 18, 2026Arrived | Philadelphia | San Francisco | -29 | |
| Sep 17, 2026Arrived | San Francisco | Ontario | -16 | |
| Sep 17, 2026Arrived | Philadelphia | San Francisco | -17 | |
| Sep 16, 2026Arrived | San Francisco | Ontario | -9 | |
| Sep 14, 2026Arrived | San Francisco | Ontario | 29 | |
| Sep 13, 2026Arrived | San Francisco | Ontario | -5 | |
| Sep 12, 2026Arrived | San Francisco | Ontario | 1 | |
| Sep 11, 2026Arrived | Philadelphia | San Francisco | -8 | |
| Sep 10, 2026Arrived | San Francisco | Ontario | 10 | |
| Sep 10, 2026Arrived | Philadelphia | San Francisco | -16 | |
| Sep 9, 2026Arrived | San Francisco | Ontario | 17 | |
| Sep 8, 2026Arrived | San Francisco | Ontario | -13 | |
| Sep 7, 2026Arrived | San Francisco | Ontario | 0 | |
| Sep 7, 2026Arrived | Philadelphia | San Francisco | -22 | |
| Sep 6, 2026Arrived | San Francisco | Ontario | 2 | |
| Sep 5, 2026Arrived | San Francisco | Ontario | -12 | |
| Sep 4, 2026Arrived | San Francisco | Ontario | -15 | |
| Sep 4, 2026Arrived | Philadelphia | San Francisco | 0 | |
| Sep 3, 2026Arrived | Philadelphia | San Francisco | 31 | |
| Sep 2, 2026Arrived | Philadelphia | San Francisco | -21 |
Email me if UA2661 runs late
We email you if your next UA2661 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.