OO 5621 Chicago to Knoxville Flight Status

SkyWest Airlines Flight OO5621 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 November 28th, 2025.
Check the table below for OO5621's most recent flight history:

OO 5621 Flight Status & Schedule

Date Departure Arrival Status
Nov 28 19:00 21:02
Landed Late
Track >
Nov 26 20:23 20:33
En-Route
Track >
Nov 18 18:36 20:47
Landed
Track >
Nov 17 17:50 20:33
Scheduled
Track >
Nov 15 18:32 20:37
Landed
Track >

SkyWest Airlines OO 5621 Chicago to Knoxville Flight Information

SkyWest Airlines Flight OO5621 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 OO5621 flight from Chicago to Knoxville?

The average flight time from Chicago to Knoxville is 1 hour and 6 minutes. The flight distance is 765 km / 475 miles and the average flight speed is 620 km/h / 385 mph.

What is the On-Time Performance (OTP) of SkyWest Airlines Flight OO5621 Chicago to Knoxville?

The Airportia On-Time Performance Rating for SkyWest Airlines Flight OO5621 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest OO5621 flight?

The latest flight took off on Saturday, November 29th, 2025 with the flight status being Landed on 21:02.

How else can the flight OO5621 be referenced as?

This SkyWest Airlines flight can also be referenced as SKW5621, OO 5621, SKW 5621.

How often is flight OO5621 delayed?

On average, 71% of all OO5621 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled OO5621 flight or baggage issues?

If your OO5621 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 OO5621 Flight Tracker above for more details.

OO5621 and Chicago ORD to Knoxville TYS Flights

Flight OO5621 is code-shared by 3 airlines using the flight numbers EK6311, LH7916, NZ2949

Other flights departing from Chicago ORD: UA5621, UA6000, AA4913, AA6373

Other flights arriving at Knoxville TYS: G43046, UA5621, G41417, UA4577

All flights connecting Chicago ORD to Knoxville TYS.

OO5621 SkyWest 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.