| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 05 | ORD | SFO | 13:49 | 16:01 |
Delayed
|
Track > |
United Airlines Flight UA3870 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 UA3870 flight from Chicago to San Francisco?
The average flight time from Chicago to San Francisco is 4 hours and 12 minutes. The flight distance is 2964 km / 1842 miles and the average flight speed is 706 km/h / 438 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3870 Chicago to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3870 is 3.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3870 arriving at?
Flight UA3870 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA3870 flight?
The latest flight took off on Monday, October 5th, 2026 with the flight status being En-Route on 16:01.
How else can the flight UA3870 be referenced as?
This United Airlines flight can also be referenced as UAL3870, UA 3870, UAL 3870.
How often is flight UA3870 delayed?
On average, 100% of all UA3870 flights are delayed. The average delay is 71 minutes.
Can I get compensation for my delayed or cancelled UA3870 flight or baggage issues?
If your UA3870 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 UA3870 Flight Tracker above for more details.
Other flights departing from Chicago ORD: UA786, UA881, OO5071, SY262
Other flights arriving at San Francisco SFO: DL363, DL750, UA2611, QX2494
All flights connecting Chicago ORD to San Francisco SFO.
