| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 14 | SFO | DEN | 23:06 | 02:04 |
Landed Late
|
Track > |
United Airlines Flight UA3939 connects San Francisco, United States to Denver, United States, taking off from San Francisco International Airport SFO and landing at Denver International Airport DEN.
How long is the UA3939 flight from San Francisco to Denver?
The average flight time from San Francisco to Denver is 1 hour and 58 minutes. The flight distance is 1553 km / 965 miles and the average flight speed is 789 km/h / 491 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3939 San Francisco to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA3939 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3939 flight?
The latest flight took off on Tuesday, September 15th, 2026 with the flight status being Landed on 02:04.
How else can the flight UA3939 be referenced as?
This United Airlines flight can also be referenced as UAL3939, UA 3939, UAL 3939.
How often is flight UA3939 delayed?
On average, 100% of all UA3939 flights are delayed. The average delay is 18 minutes.
Can I get compensation for my delayed or cancelled UA3939 flight or baggage issues?
If your UA3939 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 UA3939 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: DL1655, NZ7, AS40, GB1820
Other flights arriving at Denver DEN: F93205, 5Y8249, 5Y8249, OO4682
All flights connecting San Francisco SFO to Denver DEN.