| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 17 | ORD | DEN | 21:44 | 21:44 |
En-Route
|
Track > |
| Aug 17 | ORD | DEN | 22:04 | 23:07 |
Delayed
|
Track > |
| Aug 16 | ORD | DEN | 23:40 | 21:44 |
Unknown
|
Track > |
| Aug 10 | ORD | DEN | 01:35 | 21:44 |
Unknown
|
Track > |
United Airlines Flight UA5251 connects Chicago, United States to Denver, United States, taking off from Chicago O'Hare International Airport ORD and landing at Denver International Airport DEN.
How long is the UA5251 flight from Chicago to Denver?
The average flight time from Chicago to Denver is 2 hours and 3 minutes. The flight distance is 1426 km / 886 miles and the average flight speed is 757 km/h / 470 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA5251 Chicago to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA5251 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA5251 flight?
The latest flight took off on Monday, August 18th, 2025 with the flight status being En-Route on 21:44.
How else can the flight UA5251 be referenced as?
This United Airlines flight can also be referenced as UAL5251, UA 5251, UAL 5251.
How often is flight UA5251 delayed?
On average, 25% of all UA5251 flights are delayed. The average delay is 83 minutes.
Can I get compensation for my delayed or cancelled UA5251 flight or baggage issues?
If your UA5251 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 UA5251 Flight Tracker above for more details.
Other flights departing from Chicago ORD: UA2628, UA1808, UA1291, UA5732
Other flights arriving at Denver DEN: UA2131, WN736, UA233, UA5251
All flights connecting Chicago ORD to Denver DEN.
