| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | ORD | DEN | 15:16 | 16:17 |
Landed
|
Track > |
| Oct 24 | ORD | DEN | 15:26 | 16:26 |
Landed
|
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| Oct 23 | ORD | DEN | 15:59 | 17:05 |
Landed Late
|
Track > |
| Oct 22 | ORD | DEN | 15:34 | 16:45 |
Landed
|
Track > |
| Oct 21 | ORD | DEN | 15:25 | 16:35 |
Landed
|
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| Oct 20 | ORD | DEN | 15:31 | 16:48 |
Landed
|
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| Oct 19 | ORD | DEN | 17:13 | 18:23 |
Delayed
|
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| Oct 18 | ORD | DEN | 15:38 | 16:44 |
Landed
|
Track > |
| Oct 17 | ORD | DEN | 15:32 | 16:35 |
Landed
|
Track > |
| Oct 16 | ORD | DEN | 15:20 | 17:03 |
Landed Late
|
Track > |
United Airlines Flight UA664 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 UA664 flight from Chicago to Denver?
The average flight time from Chicago to Denver is 2 hours and 10 minutes. The flight distance is 1426 km / 886 miles and the average flight speed is 659 km/h / 410 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA664 Chicago to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA664 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA664 arriving at?
Flight UA664 arrives at Denver International Airport (DEN) Terminal 2.
When was the latest UA664 flight?
The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 16:17.
How else can the flight UA664 be referenced as?
This United Airlines flight can also be referenced as UAL664, UA0664, UA 664, UAL 664.
How often is flight UA664 delayed?
On average, 60% of all UA664 flights are delayed. The average delay is 32 minutes.
Can I get compensation for my delayed or cancelled UA664 flight or baggage issues?
If your UA664 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 UA664 Flight Tracker above for more details.
Flight UA664 is code-shared by 3 airlines using the flight numbers AC4771, OS7733, SN8811
Other flights departing from Chicago ORD: UA4507, WN887, AA3750, AA3436
Other flights arriving at Denver DEN: UA700, WN2719, WN3296, WN557
All flights connecting Chicago ORD to Denver DEN.
