| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | DEN | ONT | 20:00 | 21:07 |
Landed
|
Track > |
| Jan 04 | DEN | ONT | 20:12 | 21:17 |
Landed
|
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| Jan 03 | DEN | ONT | 20:10 | 21:12 |
Landed
|
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| Jan 02 | DEN | ONT | 19:59 | 20:58 |
Landed
|
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| Jan 01 | DEN | ONT | 19:48 | 20:45 |
Landed
|
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| Dec 31 | DEN | ONT | 19:50 | 20:42 |
Landed
|
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| Dec 30 | DEN | ONT | 20:17 | 21:06 |
Landed
|
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| Dec 29 | DEN | ONT | 21:30 | 22:14 |
Delayed
|
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| Dec 28 | DEN | ONT | 20:18 | 21:09 |
Landed
|
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| Dec 27 | DEN | ONT | 21:04 | 22:03 |
Delayed
|
Track > |
United Airlines Flight UA425 connects Denver, United States to Ontario, United States, taking off from Denver International Airport DEN and landing at Ontario International Airport ONT.
How long is the UA425 flight from Denver to Ontario?
The average flight time from Denver to Ontario is 1 hour and 56 minutes. The flight distance is 1316 km / 818 miles and the average flight speed is 680 km/h / 423 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA425 Denver to Ontario?
The Airportia On-Time Performance Rating for United Airlines Flight UA425 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA425 arriving at?
Flight UA425 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest UA425 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 21:07.
How else can the flight UA425 be referenced as?
This United Airlines flight can also be referenced as UAL425, UA0425, UA 425, UAL 425.
How often is flight UA425 delayed?
On average, 50% of all UA425 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled UA425 flight or baggage issues?
If your UA425 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 UA425 Flight Tracker above for more details.
Flight UA425 is code-shared by 1 airline using the flight number AC3499
Other flights departing from Denver DEN: WN2532, UA433, UA2681, UA330
Other flights arriving at Ontario ONT: WN2222, WN814, WN1386, AA1791
All flights connecting Denver DEN to Ontario ONT.