| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 05 | ORD | TYS | 06:55 | 09:43 |
Scheduled
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Track > |
| Jul 04 | ORD | TYS | 07:13 | 09:29 |
Landed
|
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| Jul 03 | ORD | TYS | 07:16 | 09:24 |
Landed
|
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| Jul 02 | ORD | TYS | 07:01 | 09:08 |
Landed
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| Jun 30 | ORD | TYS | 06:56 | 09:06 |
Landed
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| Jun 29 | ORD | TYS | 07:04 | 09:09 |
Landed
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| Jun 28 | ORD | TYS | 07:45 | 09:59 |
Landed Late
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| Jun 27 | ORD | TYS | 07:18 | 09:24 |
Landed
|
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| Jun 26 | ORD | TYS | 07:38 | 10:01 |
Landed Late
|
Track > |
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 11 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 624 km/h / 388 mph.
How many UA4551 flights are operated per week?
6 flights per week. The flight UA4551 is operated on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.
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 Sunday, July 5th, 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, 22% of all UA4551 flights are delayed. The average delay is 17 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.
Flight UA4551 is code-shared by 2 airlines using the flight numbers AV2336, NZ2951
Other flights departing from Chicago ORD: DL2041, UA4596, UA5926, UA6005
Other flights arriving at Knoxville TYS: AA5947, DL1290, DL5347, UA4257
All flights connecting Chicago ORD to Knoxville TYS.