| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | PHL | DEN | 08:03 | 09:36 |
Landed
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Track > |
| May 30 | PHL | DEN | 08:01 | 09:41 |
Landed
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| May 29 | PHL | DEN | 07:56 | 09:23 |
Landed
|
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| May 28 | PHL | DEN | 08:09 | 09:42 |
Landed
|
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| May 27 | PHL | DEN | 08:08 | 09:32 |
Landed
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| May 26 | PHL | DEN | 08:07 | 09:42 |
Landed
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| May 25 | PHL | DEN | 07:59 | 09:35 |
Landed
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| May 24 | PHL | DEN | 08:04 | 09:47 |
Landed
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| May 23 | PHL | DEN | 08:21 | 10:01 |
Landed
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| May 22 | PHL | DEN | 08:04 | 09:39 |
Landed
|
Track > |
United Airlines Flight UA644 connects Philadelphia, United States to Denver, United States, taking off from Philadelphia International Airport PHL and landing at Denver International Airport DEN.
How long is the UA644 flight from Philadelphia to Denver?
The average flight time from Philadelphia to Denver is 3 hours and 34 minutes. The flight distance is 2500 km / 1554 miles and the average flight speed is 700 km/h / 435 mph.
How many UA644 flights are operated per week?
3 flights per week. The flight UA644 is operated on Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA644 Philadelphia to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA644 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA644 flight?
The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 09:36.
How else can the flight UA644 be referenced as?
This United Airlines flight can also be referenced as UAL644, UA0644, UA 644, UAL 644.
How often is flight UA644 delayed?
On average, 0% of all UA644 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA644 flight or baggage issues?
If your UA644 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 UA644 Flight Tracker above for more details.
Flight UA644 is code-shared by 1 airline using the flight number AC3647
Other flights departing from Philadelphia PHL: F92387, DL1180, F94455, WN3728
Other flights arriving at Denver DEN: UA1714, F92818, UA2307, F93862
All flights connecting Philadelphia PHL to Denver DEN.