| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 23 | ONT | LAX | 21:35 | 20:06 |
Unknown
|
Track > |
United Airlines Flight UA3903 connects Ontario, United States to Los Angeles, United States, taking off from Ontario International Airport ONT and landing at Los Angeles International Airport LAX.
How many UA3903 flights are operated per week?
1 flight per week. The flight UA3903 is operated on Monday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3903 Ontario to Los Angeles?
The Airportia On-Time Performance Rating for United Airlines Flight UA3903 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3903 flight?
The latest flight took off on Monday, August 24th, 2026 with the flight status being Unknown on 20:06.
How else can the flight UA3903 be referenced as?
This United Airlines flight can also be referenced as UAL3903, UA 3903, UAL 3903.
How often is flight UA3903 delayed?
On average, 0% of all UA3903 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3903 flight or baggage issues?
If your UA3903 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 UA3903 Flight Tracker above for more details.
Other flights departing from Ontario ONT: UA1665, AS594, F99437, WN127
Other flights arriving at Los Angeles LAX: DL852, QX2140, OO4948, OO5612
All flights connecting Ontario ONT to Los Angeles LAX.