| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 06 | ORD | TYS | 06:55 | 09:43 |
Scheduled
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| Aug 03 | ORD | TYS | 06:55 | 09:43 |
Scheduled
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| Aug 01 | ORD | TYS | 06:55 | 09:43 |
En-Route
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| Jul 30 | ORD | TYS | 07:47 | 09:51 |
Landed
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| Jul 29 | ORD | TYS | 07:19 | 09:22 |
Landed
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| Jul 28 | ORD | TYS | 07:32 | 09:36 |
Landed
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| Jul 27 | ORD | TYS | 07:56 | 10:00 |
Landed Late
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| Jul 26 | ORD | TYS | 07:24 | 09:24 |
Landed
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| Jul 25 | ORD | TYS | 07:20 | 09:22 |
Landed
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| Jul 24 | ORD | TYS | 07:46 | 09:52 |
Landed
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United Airlines Flight UA4551 connects Chicago, United States to Knoxville, United States, taking off from Chicago O'Hare International Airport ORD and landing at Knoxville McGhee Tyson Airport TYS.
How long is the UA4551 flight from Chicago to Knoxville?
The average flight time from Chicago to Knoxville is 1 hour and 3 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 635 km/h / 395 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4551 Chicago to Knoxville?
The Airportia On-Time Performance Rating for United Airlines Flight UA4551 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4551 flight?
The latest flight took off on Thursday, August 6th, 2026 with the flight status being Scheduled on 09:43.
How else can the flight UA4551 be referenced as?
This United Airlines flight can also be referenced as UAL4551, UA 4551, UAL 4551.
How often is flight UA4551 delayed?
On average, 30% of all UA4551 flights are delayed. The average delay is 11 minutes.
Can I get compensation for my delayed or cancelled UA4551 flight or baggage issues?
If your UA4551 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 UA4551 Flight Tracker above for more details.
Other flights departing from Chicago ORD: AA3973, UA4596, OO5926, OO6005
Other flights arriving at Knoxville TYS: G74551, PT6094, YV6115, AA6445
All flights connecting Chicago ORD to Knoxville TYS.