| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | ORD | SFO | 17:37 | 19:56 |
Landed
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| Feb 10 | ORD | SFO | 18:23 | 21:11 |
Delayed
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| Feb 09 | ORD | SFO | 17:56 | 20:06 |
Landed
|
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| Feb 08 | ORD | SFO | 17:25 | 19:30 |
Landed
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| Feb 06 | ORD | SFO | 17:32 | 19:40 |
Landed
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| Feb 05 | ORD | SFO | 17:35 | 19:22 |
Landed
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| Feb 04 | ORD | SFO | 17:39 | 19:38 |
Landed
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| Feb 03 | ORD | SFO | 17:51 | 19:35 |
Landed
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| Feb 02 | ORD | SFO | 18:11 | 20:26 |
Landed Late
|
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| Feb 01 | ORD | SFO | 17:33 | 19:40 |
Landed
|
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United Airlines Flight UA2166 connects Chicago, United States to San Francisco, United States, taking off from Chicago O'Hare International Airport ORD and landing at San Francisco International Airport SFO.
How long is the UA2166 flight from Chicago to San Francisco?
The average flight time from Chicago to San Francisco is 4 hours and 8 minutes. The flight distance is 2964 km / 1842 miles and the average flight speed is 720 km/h / 447 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA2166 Chicago to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA2166 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA2166 arriving at?
Flight UA2166 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA2166 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 19:56.
How else can the flight UA2166 be referenced as?
This United Airlines flight can also be referenced as UAL2166, UA 2166, UAL 2166.
How often is flight UA2166 delayed?
On average, 20% of all UA2166 flights are delayed. The average delay is 38 minutes.
Can I get compensation for my delayed or cancelled UA2166 flight or baggage issues?
If your UA2166 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 UA2166 Flight Tracker above for more details.
Flight UA2166 is code-shared by 4 airlines using the flight numbers AC3763, NZ9332, OZ6304, VA8090
Other flights departing from Chicago ORD: AA3372, AA2917, AA2100, AA3159
Other flights arriving at San Francisco SFO: UA1015, UA285, AS2262, AS9717
All flights connecting Chicago ORD to San Francisco SFO.