| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 24 | TYS | ORD | 10:44 | 11:01 |
Landed
|
Track > |
| Jun 23 | TYS | ORD | 10:32 | 10:50 |
Landed
|
Track > |
| Jun 22 | TYS | ORD | 10:25 | 10:48 |
Landed
|
Track > |
| Jun 21 | TYS | ORD | 10:37 | 11:05 |
Landed
|
Track > |
| Jun 20 | TYS | ORD | 12:08 | 12:20 |
Delayed
|
Track > |
| Jun 19 | TYS | ORD | 10:28 | 10:47 |
Landed
|
Track > |
| Jun 18 | TYS | ORD | 11:04 | 11:42 |
Landed Late
|
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| Jun 17 | TYS | ORD | 10:29 | 10:52 |
Landed
|
Track > |
| Jun 16 | TYS | ORD | 10:48 | 11:07 |
Landed
|
Track > |
| Jun 15 | TYS | ORD | 10:28 | 10:51 |
Landed
|
Track > |
United Airlines Flight UA4578 connects Knoxville, United States to Chicago, United States, taking off from Knoxville McGhee Tyson Airport TYS and landing at Chicago O'Hare International Airport ORD.
How long is the UA4578 flight from Knoxville to Chicago?
The average flight time from Knoxville to Chicago is 1 hour and 22 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 563 km/h / 350 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4578 Knoxville to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4578 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4578 arriving at?
Flight UA4578 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4578 flight?
The latest flight took off on Wednesday, June 24th, 2026 with the flight status being Landed on 11:01.
How else can the flight UA4578 be referenced as?
This United Airlines flight can also be referenced as UAL4578, UA 4578, UAL 4578.
How often is flight UA4578 delayed?
On average, 20% of all UA4578 flights are delayed. The average delay is 38 minutes.
Can I get compensation for my delayed or cancelled UA4578 flight or baggage issues?
If your UA4578 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 UA4578 Flight Tracker above for more details.
Flight UA4578 is code-shared by 1 airline using the flight number NZ2950
Other flights departing from Knoxville TYS: G43050, G41397, DL4965, AA5953
Other flights arriving at Chicago ORD: CI5234, UA1928, UA1363, OO103
All flights connecting Knoxville TYS to Chicago ORD.