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UA 4603 Knoxville to Chicago Flight Status

United Airlines Flight UA4603 from Knoxville McGhee Tyson Airport TYS to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 1st, 2025.
Check the table below for UA4603's most recent flight history:

UA 4603 Flight Status & Schedule

Date Departure Arrival Status
Dec 01 13:34 07:46
Unknown
Track >
Nov 30 08:27 08:48
Delayed
Track >
Nov 29 06:48 07:09
Landed
Track >
Nov 27 06:50 07:06
Landed
Track >
Nov 26 07:02 07:21
Landed
Track >

United Airlines UA 4603 Knoxville to Chicago Flight Information

United Airlines Flight UA4603 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 UA4603 flight from Knoxville to Chicago?

The average flight time from Knoxville to Chicago is 1 hour and 20 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 532 km/h / 331 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4603 Knoxville to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA4603 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4603 arriving at?

Flight UA4603 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.

When was the latest UA4603 flight?

The latest flight took off on Monday, December 1st, 2025 with the flight status being Unknown on 07:46.

How else can the flight UA4603 be referenced as?

This United Airlines flight can also be referenced as UAL4603, UA 4603, UAL 4603.

How often is flight UA4603 delayed?

On average, 10% of all UA4603 flights are delayed. The average delay is 62 minutes.

Can I get compensation for my delayed or cancelled UA4603 flight or baggage issues?

If your UA4603 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 UA4603 Flight Tracker above for more details.

UA4603 and Knoxville TYS to Chicago ORD Flights

Flight UA4603 is code-shared by 2 airlines using the flight numbers NH7189, NZ2942

Other flights departing from Knoxville TYS: AA6018, G43047, AA5155, G41440

Other flights arriving at Chicago ORD: NK3030, UA5725, UA4667, OO5449

All flights connecting Knoxville TYS to Chicago ORD.

UA4603 United Airlines Flight: Knoxville to Chicago 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.