| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 28 | ORD | TYS | 14:06 | 16:06 |
Landed
|
Track > |
| Mar 27 | ORD | TYS | 14:12 | 16:19 |
Landed
|
Track > |
| Mar 26 | ORD | TYS | 14:40 | 16:47 |
Landed
|
Track > |
| Mar 25 | ORD | TYS | 14:05 | 16:20 |
Landed
|
Track > |
| Mar 24 | ORD | TYS | 14:12 | 16:16 |
Landed
|
Track > |
| Mar 23 | ORD | TYS | 14:59 | 17:01 |
Landed Late
|
Track > |
| Mar 22 | ORD | TYS | 14:06 | 16:10 |
Landed
|
Track > |
| Mar 21 | ORD | TYS | 14:11 | 16:13 |
Unknown
|
Track > |
| Mar 20 | ORD | TYS | 14:21 | 16:21 |
Landed
|
Track > |
| Mar 19 | ORD | TYS | 14:00 | 16:02 |
Landed
|
Track > |
United Airlines Flight UA4573 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 UA4573 flight from Chicago to Knoxville?
The average flight time from Chicago to Knoxville is 1 hour and 4 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 716 km/h / 445 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4573 Chicago to Knoxville?
The Airportia On-Time Performance Rating for United Airlines Flight UA4573 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4573 arriving at?
Flight UA4573 arrives at Knoxville McGhee Tyson Airport (TYS) Terminal 2.
When was the latest UA4573 flight?
The latest flight took off on Saturday, March 28th, 2026 with the flight status being Landed on 16:06.
How else can the flight UA4573 be referenced as?
This United Airlines flight can also be referenced as UAL4573, UA 4573, UAL 4573.
How often is flight UA4573 delayed?
On average, 20% of all UA4573 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled UA4573 flight or baggage issues?
If your UA4573 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 UA4573 Flight Tracker above for more details.
Flight UA4573 is code-shared by 3 airlines using the flight numbers AC4513, NH7190, NZ2943
Other flights departing from Chicago ORD: UA4389, UA4487, UA4517, UA5597
Other flights arriving at Knoxville TYS: AA6100, WN489, AA2542, AA5967
All flights connecting Chicago ORD to Knoxville TYS.