| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 27 | ONT | DEN | 18:37 | 21:23 |
Landed
|
Track > |
| Jul 20 | ONT | DEN | 19:43 | 22:28 |
Landed Late
|
Track > |
| Jul 13 | ONT | DEN | 18:31 | 21:30 |
Landed
|
Track > |
| Jul 06 | ONT | DEN | 19:20 | 22:04 |
Landed Late
|
Track > |
United Airlines Flight UA440 connects Ontario, United States to Denver, United States, taking off from Ontario International Airport ONT and landing at Denver International Airport DEN.
How long is the UA440 flight from Ontario to Denver?
The average flight time from Ontario to Denver is 1 hour and 48 minutes. The flight distance is 1316 km / 818 miles and the average flight speed is 730 km/h / 453 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA440 Ontario to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA440 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA440 flight?
The latest flight took off on Monday, July 28th, 2025 with the flight status being Landed on 21:23.
How else can the flight UA440 be referenced as?
This United Airlines flight can also be referenced as UAL440, UA0440, UA 440, UAL 440.
How often is flight UA440 delayed?
On average, 50% of all UA440 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled UA440 flight or baggage issues?
If your UA440 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 UA440 Flight Tracker above for more details.
Flight UA440 is code-shared by 1 airline using the flight number AC3779
Other flights departing from Ontario ONT: UA1603, WN2661, WN735, WN1837
Other flights arriving at Denver DEN: WN1029, WN4059, WN4189, UA2610
All flights connecting Ontario ONT to Denver DEN.
