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UA 4585 Chicago to Knoxville Flight Status

United Airlines Flight UA4585 from Chicago O'Hare International Airport ORD to Knoxville McGhee Tyson Airport TYS is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on February 9th, 2026.
Check the table below for UA4585's most recent flight history:

UA 4585 Flight Status & Schedule

Date Departure Arrival Status
Feb 09 07:47 09:58
Landed
Track >
Feb 08 07:59 10:03
Landed
Track >
Feb 07 08:24 10:24
Landed
Track >
Feb 06 08:34 10:36
Landed
Track >
Feb 05 07:51 09:57
Landed
Track >

United Airlines UA 4585 Chicago to Knoxville Flight Information

United Airlines Flight UA4585 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 UA4585 flight from Chicago to Knoxville?

The average flight time from Chicago to Knoxville is 1 hour and 5 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 680 km/h / 422 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4585 Chicago to Knoxville?

The Airportia On-Time Performance Rating for United Airlines Flight UA4585 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4585 flight?

The latest flight took off on Monday, February 9th, 2026 with the flight status being Landed on 09:58.

How else can the flight UA4585 be referenced as?

This United Airlines flight can also be referenced as UAL4585, UA 4585, UAL 4585.

How often is flight UA4585 delayed?

On average, 30% of all UA4585 flights are delayed. The average delay is 37 minutes.

Can I get compensation for my delayed or cancelled UA4585 flight or baggage issues?

If your UA4585 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 UA4585 Flight Tracker above for more details.

UA4585 and Chicago ORD to Knoxville TYS Flights

Flight UA4585 is code-shared by 1 airline using the flight number NZ2951

Other flights departing from Chicago ORD: UA4445, UA5400, UA4544, UA5043

Other flights arriving at Knoxville TYS: DL5496, G43048, AA3278, AA5211

All flights connecting Chicago ORD to Knoxville TYS.

UA4585 United Airlines Flight: Chicago to Knoxville Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.