| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | ORD | SFO | 20:01 | 22:18 |
Landed
|
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| Dec 16 | ORD | SFO | 20:04 | 22:20 |
Landed
|
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| Dec 15 | ORD | SFO | 20:04 | 22:02 |
Landed
|
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| Dec 14 | ORD | SFO | 21:23 | 23:18 |
Landed Late
|
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| Dec 13 | ORD | SFO | 20:06 | 22:11 |
Landed
|
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| Dec 12 | ORD | SFO | 20:01 | 22:13 |
Landed
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| Dec 11 | ORD | SFO | 20:19 | 22:40 |
Landed
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| Dec 10 | ORD | SFO | 20:30 | 22:37 |
Unknown
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| Dec 09 | ORD | SFO | 20:23 | 22:43 |
Landed
|
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| Dec 08 | ORD | SFO | 20:00 | 21:57 |
Landed
|
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United Airlines Flight UA636 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 UA636 flight from Chicago to San Francisco?
The average flight time from Chicago to San Francisco is 4 hours and 9 minutes. The flight distance is 2964 km / 1842 miles and the average flight speed is 703 km/h / 437 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA636 Chicago to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA636 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA636 arriving at?
Flight UA636 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA636 flight?
The latest flight took off on Thursday, December 18th, 2025 with the flight status being Landed on 22:18.
How else can the flight UA636 be referenced as?
This United Airlines flight can also be referenced as UAL636, UA0636, UA 636, UAL 636.
How often is flight UA636 delayed?
On average, 30% of all UA636 flights are delayed. The average delay is 16 minutes.
Can I get compensation for my delayed or cancelled UA636 flight or baggage issues?
If your UA636 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 UA636 Flight Tracker above for more details.
Flight UA636 is code-shared by 3 airlines using the flight numbers AC5255, NZ9334, VA8091
Other flights departing from Chicago ORD: AA5145, UA1897, UA3500, UA3610
Other flights arriving at San Francisco SFO: AA2122, AA3040, UA2128, UA1299
All flights connecting Chicago ORD to San Francisco SFO.