| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 16 | SFO | ORD | 18:50 | 00:24 |
Delayed
|
Track > |
| Jul 15 | SFO | ORD | 13:44 | 19:24 |
Landed Late
|
Track > |
United Airlines Flight UA3921 connects San Francisco, United States to Chicago, United States, taking off from San Francisco International Airport SFO and landing at Chicago O'Hare International Airport ORD.
How long is the UA3921 flight from San Francisco to Chicago?
The average flight time from San Francisco to Chicago is 3 hours and 37 minutes. The flight distance is 2964 km / 1842 miles and the average flight speed is 820 km/h / 509 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3921 San Francisco to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA3921 is 3.3/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3921 arriving at?
Flight UA3921 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA3921 flight?
The latest flight took off on Monday, August 17th, 2026 with the flight status being En-Route on 00:24.
How else can the flight UA3921 be referenced as?
This United Airlines flight can also be referenced as UAL3921, UA 3921, UAL 3921.
How often is flight UA3921 delayed?
On average, 100% of all UA3921 flights are delayed. The average delay is 100 minutes.
Can I get compensation for my delayed or cancelled UA3921 flight or baggage issues?
If your UA3921 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 UA3921 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from San Francisco SFO: MX600, WN2026, UA2025, WN2074
Other flights arriving at Chicago ORD: MQ3598, AA4927, AA6484, UA5040
All flights connecting San Francisco SFO to Chicago ORD.
