| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | SFO | ONT | 11:06 | 12:01 |
Landed
|
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| Aug 31 | SFO | ONT | 11:10 | 12:09 |
Landed
|
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| Aug 30 | SFO | ONT | 11:25 | 12:23 |
Landed
|
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| Aug 29 | SFO | ONT | 10:53 | 11:51 |
Landed
|
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| Aug 28 | SFO | ONT | 11:29 | 12:31 |
Landed Late
|
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| Aug 27 | SFO | ONT | 11:22 | 12:20 |
Landed
|
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| Aug 26 | SFO | ONT | 11:05 | 12:04 |
Landed
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| Aug 25 | SFO | ONT | 11:17 | 12:16 |
Landed
|
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| Aug 24 | SFO | ONT | 11:22 | 12:35 |
Landed Late
|
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| Aug 23 | SFO | ONT | 10:57 | 11:56 |
Landed
|
Track > |
United Airlines Flight UA2661 connects San Francisco, United States to Ontario, United States, taking off from San Francisco International Airport SFO and landing at Ontario International Airport ONT.
How long is the UA2661 flight from San Francisco to Ontario?
The average flight time from San Francisco to Ontario is 1 hour. The flight distance is 585 km / 363 miles and the average flight speed is 588 km/h / 365 mph.
How many UA2661 flights are operated per week?
6 flights per week. The flight UA2661 is operated on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA2661 San Francisco to Ontario?
The Airportia On-Time Performance Rating for United Airlines Flight UA2661 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA2661 arriving at?
Flight UA2661 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest UA2661 flight?
The latest flight took off on Tuesday, September 1st, 2026 with the flight status being Landed on 12:01.
How else can the flight UA2661 be referenced as?
This United Airlines flight can also be referenced as UAL2661, UA 2661, UAL 2661.
How often is flight UA2661 delayed?
On average, 50% of all UA2661 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled UA2661 flight or baggage issues?
If your UA2661 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA2661 Flight Tracker above for more details.
Flight UA2661 is code-shared by 1 airline using the flight number AC4322
Other flights departing from San Francisco SFO: UA2649, UA1298, DL2870, UA893
Other flights arriving at Ontario ONT: WN2421, WN1223, AA2661, DL3172
All flights connecting San Francisco SFO to Ontario ONT.