| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | ONT | DEN | 13:56 | 16:49 |
Landed
|
Track > |
| Jul 17 | ONT | DEN | 13:44 | 16:42 |
Landed
|
Track > |
| Jul 16 | ONT | DEN | 13:38 | 17:00 |
Landed Late
|
Track > |
| Jul 15 | ONT | DEN | 13:38 | 16:35 |
Landed
|
Track > |
| Jul 14 | ONT | DEN | 14:06 | 16:55 |
Landed Late
|
Track > |
| Jul 13 | ONT | DEN | 13:33 | 16:24 |
Landed
|
Track > |
| Jul 12 | ONT | DEN | 13:35 | 16:34 |
Landed
|
Track > |
| Jul 11 | ONT | DEN | 14:01 | 16:48 |
Landed
|
Track > |
| Jul 10 | ONT | DEN | 13:23 | 16:10 |
Landed
|
Track > |
| Jul 09 | ONT | DEN | 13:52 | 16:58 |
Landed Late
|
Track > |
United Airlines Flight UA1263 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 UA1263 flight from Ontario to Denver?
The average flight time from Ontario to Denver is 1 hour and 56 minutes. The flight distance is 1316 km / 818 miles and the average flight speed is 680 km/h / 422 mph.
How many UA1263 flights are operated per week?
7 flights per week. The flight UA1263 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1263 Ontario to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA1263 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1263 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Landed on 16:49.
How else can the flight UA1263 be referenced as?
This United Airlines flight can also be referenced as UAL1263, UA 1263, UAL 1263.
How often is flight UA1263 delayed?
On average, 60% of all UA1263 flights are delayed. The average delay is 14 minutes.
Can I get compensation for my delayed or cancelled UA1263 flight or baggage issues?
If your UA1263 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 UA1263 Flight Tracker above for more details.
Flight UA1263 is code-shared by 1 airline using the flight number AC3961
Other flights departing from Ontario ONT: DL3172, AA2244, WN2298, 8C3371
Other flights arriving at Denver DEN: UA2173, UA1728, UA2671, UA5776
All flights connecting Ontario ONT to Denver DEN.