| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | PHL | DEN | 10:01 | 12:06 |
Landed
|
Track > |
| Jan 04 | PHL | DEN | 09:51 | 11:49 |
Landed
|
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| Jan 03 | PHL | DEN | 09:50 | 11:35 |
Landed
|
Track > |
| Jan 02 | PHL | DEN | 09:55 | 11:45 |
Landed
|
Track > |
| Jan 01 | PHL | DEN | 10:22 | 12:16 |
Landed
|
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| Dec 31 | PHL | DEN | 10:00 | 11:46 |
Landed
|
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| Dec 30 | PHL | DEN | 12:43 | 14:26 |
Delayed
|
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| Dec 29 | PHL | DEN | 09:58 | 11:40 |
Landed
|
Track > |
| Dec 28 | PHL | DEN | 10:15 | 12:13 |
Landed
|
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| Dec 27 | PHL | DEN | 10:20 | 12:22 |
Landed
|
Track > |
United Airlines Flight UA1252 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 UA1252 flight from Philadelphia to Denver?
The average flight time from Philadelphia to Denver is 3 hours and 52 minutes. The flight distance is 2500 km / 1554 miles and the average flight speed is 647 km/h / 402 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1252 Philadelphia to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA1252 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1252 arriving at?
Flight UA1252 arrives at Denver International Airport (DEN) Terminal B.
When was the latest UA1252 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 12:06.
How else can the flight UA1252 be referenced as?
This United Airlines flight can also be referenced as UAL1252, UA 1252, UAL 1252.
How often is flight UA1252 delayed?
On average, 40% of all UA1252 flights are delayed. The average delay is 37 minutes.
Can I get compensation for my delayed or cancelled UA1252 flight or baggage issues?
If your UA1252 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 UA1252 Flight Tracker above for more details.
Flight UA1252 is code-shared by 1 airline using the flight number AC3651
Other flights departing from Philadelphia PHL: AA5873, AA6035, AA5629, AA952
Other flights arriving at Denver DEN: WN1283, WN4458, WN2498, WN3514
All flights connecting Philadelphia PHL to Denver DEN.
