| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 24 | DEN | DFW | 15:56 | 18:23 |
Landed
|
Track > |
| Sep 22 | DEN | DFW | 16:00 | 18:26 |
Landed
|
Track > |
| Sep 21 | DEN | DFW | 16:19 | 19:26 |
Diverted
|
Track > |
| Claim > | ||||||
| Sep 19 | DEN | DFW | 18:08 | 20:36 |
Delayed
|
Track > |
| Sep 18 | DEN | DFW | 16:31 | 18:51 |
Landed
|
Track > |
| Sep 17 | DEN | DFW | 16:03 | 18:36 |
Landed
|
Track > |
| Sep 15 | DEN | DFW | 16:07 | 18:36 |
Landed
|
Track > |
| Sep 14 | DEN | DFW | 16:09 | 18:40 |
Landed
|
Track > |
| Sep 12 | DEN | DFW | 19:33 | 18:53 |
Unknown
|
Track > |
| Sep 11 | DEN | DFW | 16:30 | 18:59 |
Landed
|
Track > |
United Airlines Flight UA640 connects Denver, United States to Dallas, United States, taking off from Denver International Airport DEN and landing at Dallas Fort Worth International Airport DFW.
How long is the UA640 flight from Denver to Dallas?
The average flight time from Denver to Dallas is 1 hour and 32 minutes. The flight distance is 1032 km / 641 miles and the average flight speed is 664 km/h / 412 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA640 Denver to Dallas?
The Airportia On-Time Performance Rating for United Airlines Flight UA640 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA640 arriving at?
Flight UA640 arrives at Dallas Fort Worth International Airport (DFW) Terminal E.
When was the latest UA640 flight?
The latest flight took off on Wednesday, September 24th, 2025 with the flight status being Landed on 18:23.
How else can the flight UA640 be referenced as?
This United Airlines flight can also be referenced as UAL640, UA0640, UA 640, UAL 640.
How often is flight UA640 delayed?
On average, 30% of all UA640 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled UA640 flight or baggage issues?
If your UA640 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 UA640 Flight Tracker above for more details.
Flight UA640 is code-shared by 1 airline using the flight number AC5481
Other flights departing from Denver DEN: WN4140, WN2410, UA5101, UA1446
Other flights arriving at Dallas DFW: AA6397, UA1674, AA4198, AA3170
All flights connecting Denver DEN to Dallas DFW.
