| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 09 | LAX | DEN | 07:00 | 10:22 |
Cancelled
|
Track > |
| Claim > | ||||||
United Airlines Flight UA3900 connects Los Angeles, United States to Denver, United States, taking off from Los Angeles International Airport LAX and landing at Denver International Airport DEN.
How many UA3900 flights are operated per week?
1 flight per week. The flight UA3900 is operated on Thursday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3900 Los Angeles to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA3900 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3900 flight?
The latest flight was scheduled for Thursday, July 9th, 2026 but was cancelled.
How else can the flight UA3900 be referenced as?
This United Airlines flight can also be referenced as UAL3900, UA 3900, UAL 3900.
How often is flight UA3900 delayed?
On average, 0% of all UA3900 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3900 flight or baggage issues?
If your UA3900 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 UA3900 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 Los Angeles LAX: AA2, AA2746, UA2743, SQ7413
Other flights arriving at Denver DEN: DL499, UA1891, UA1081, UA5455
All flights connecting Los Angeles LAX to Denver DEN.
