| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | TYS | DEN | 09:14 | 09:46 |
Landed
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| Aug 31 | TYS | DEN | 09:09 | 09:47 |
Landed
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| Aug 30 | TYS | DEN | 09:11 | 09:48 |
Landed
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| Aug 29 | TYS | DEN | 09:04 | 09:36 |
Landed
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| Aug 28 | TYS | DEN | 09:12 | 09:56 |
Landed
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| Aug 27 | TYS | DEN | 09:01 | 09:43 |
Landed
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| Aug 26 | TYS | DEN | 09:10 | 09:50 |
Landed
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| Aug 25 | TYS | DEN | 12:02 | 12:37 |
Delayed
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| Aug 24 | TYS | DEN | 09:02 | 09:42 |
Landed
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| Aug 23 | TYS | DEN | 09:16 | 10:05 |
Landed
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United Airlines Flight UA1256 connects Knoxville, United States to Denver, United States, taking off from Knoxville McGhee Tyson Airport TYS and landing at Denver International Airport DEN.
How long is the UA1256 flight from Knoxville to Denver?
The average flight time from Knoxville to Denver is 2 hours and 38 minutes. The flight distance is 1866 km / 1160 miles and the average flight speed is 705 km/h / 438 mph.
How many UA1256 flights are operated per week?
6 flights per week. The flight UA1256 is operated on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1256 Knoxville to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA1256 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1256 flight?
The latest flight took off on Tuesday, September 1st, 2026 with the flight status being Landed on 09:46.
How else can the flight UA1256 be referenced as?
This United Airlines flight can also be referenced as UAL1256, UA 1256, UAL 1256.
How often is flight UA1256 delayed?
On average, 10% of all UA1256 flights are delayed. The average delay is 137 minutes.
Can I get compensation for my delayed or cancelled UA1256 flight or baggage issues?
If your UA1256 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 UA1256 Flight Tracker above for more details.
Other flights departing from Knoxville TYS: 9E5279, OH5182, C54325, PT6093
Other flights arriving at Denver DEN: DL499, UA318, UA1029, OO5348
All flights connecting Knoxville TYS to Denver DEN.