| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | ORD | DEN | 14:39 | 15:38 |
Landed
|
Track > |
| Oct 24 | ORD | DEN | 14:42 | 15:44 |
Landed
|
Track > |
| Oct 23 | ORD | DEN | 14:58 | 16:09 |
Landed
|
Track > |
| Oct 22 | ORD | DEN | 14:37 | 15:52 |
Landed
|
Track > |
| Oct 21 | ORD | DEN | 15:21 | 16:41 |
Landed Late
|
Track > |
| Oct 20 | ORD | DEN | 14:44 | 16:03 |
Landed
|
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| Oct 19 | ORD | DEN | 14:45 | 15:47 |
Landed
|
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| Oct 18 | ORD | DEN | 14:49 | 16:00 |
Landed
|
Track > |
| Oct 17 | ORD | DEN | 15:03 | 16:11 |
Landed
|
Track > |
| Oct 16 | ORD | DEN | 14:47 | 16:38 |
Landed Late
|
Track > |
United Airlines Flight UA623 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 UA623 flight from Chicago to Denver?
The average flight time from Chicago to Denver is 2 hours and 13 minutes. The flight distance is 1426 km / 886 miles and the average flight speed is 646 km/h / 401 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA623 Chicago to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA623 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA623 arriving at?
Flight UA623 arrives at Denver International Airport (DEN) Terminal 2.
When was the latest UA623 flight?
The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 15:38.
How else can the flight UA623 be referenced as?
This United Airlines flight can also be referenced as UAL623, UA0623, UA 623, UAL 623.
How often is flight UA623 delayed?
On average, 40% of all UA623 flights are delayed. The average delay is 21 minutes.
Can I get compensation for my delayed or cancelled UA623 flight or baggage issues?
If your UA623 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 UA623 Flight Tracker above for more details.
Flight UA623 is code-shared by 2 airlines using the flight numbers AC3973, LH8907
Other flights departing from Chicago ORD: UA2621, UA1634, UA5483, CI5237
Other flights arriving at Denver DEN: WN3216, OO5126, UA651, OO5031
All flights connecting Chicago ORD to Denver DEN.
