Chicago to Knoxville (ORD-TYS): nonstop upgrade & award space

United Airlines and American Airlines fly nonstop between Chicago (ORD) and Knoxville (TYS), roughly 90 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to TYS departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

See ORD to TYS on the interactive map Get started free
90
Nonstop flights a week
475 mi
Nonstop distance
Free
To get started

Chicago to Knoxville flight schedule

Scheduled nonstop departures for ORD to TYS, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to Knoxville (TYS)
Date Flight Airline Departs ORD Arrives TYS Duration Aircraft
UA 4477United Airlines06:5909:571h 58mCR5
UA 4519United Airlines07:0009:541h 54mCR5
AA 6445American Airlines08:1811:101h 52mCR7
AA 3571American Airlines10:0012:461h 46mE70
UA 4592United Airlines10:3013:181h 48mCR5
UA 5823United Airlines14:0017:002hE7W
UA 1244United Airlines14:1016:581h 48m319
AA 4970American Airlines15:3018:221h 52mCR7
UA 795United Airlines18:0620:531h 47m739
AA 5207American Airlines18:3621:231h 47mCR7
AA 3830American Airlines20:3023:181h 48mE75
UA 1295United Airlines21:3000:231h 53m73G
UA 4477United Airlines06:5909:571h 58mCR5
UA 4519United Airlines07:0009:541h 54mCR5
AA 4102American Airlines08:0010:501h 50mE70
UA 4592United Airlines10:3013:181h 48mCR5
UA 6037United Airlines10:3013:191h 49mCR5
AA 4105American Airlines13:2416:111h 47mE70
UA 5823United Airlines14:0017:002hE7W
UA 1244United Airlines14:1016:581h 48m319
AA 6344American Airlines16:5019:431h 53mCR7
UA 795United Airlines18:0620:531h 47m739
AA 5207American Airlines18:3021:151h 45mCR7
AA 3699American Airlines19:5122:421h 51mE75
UA 661United Airlines20:0222:491h 47m320
UA 4519United Airlines07:0009:541h 54mCR5
AA 4102American Airlines08:1511:051h 50mE70
UA 4592United Airlines10:3013:181h 48mCR5
UA 6037United Airlines10:3013:191h 49mCR5
AA 4105American Airlines13:2416:111h 47mE70
UA 5823United Airlines14:0017:002hE7W
UA 1244United Airlines14:1016:581h 48m319
AA 6344American Airlines16:5019:431h 53mCR7
UA 795United Airlines18:0620:531h 47m739
AA 5207American Airlines18:3021:151h 45mCR7
AA 3699American Airlines19:5222:431h 51mE75
UA 661United Airlines20:0222:491h 47m320
UA 4519United Airlines07:0009:541h 54mCR5
AA 4102American Airlines08:0010:501h 50mE70
AA 4002American Airlines09:4012:301h 50mE70

Showing the first 40 of 90 scheduled ORD to TYS departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ORD to TYS date on the interactive map

Confirmed upgrade & award space on ORD to TYS departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Chicago to Knoxville to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ORD to TYS departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ORD to TYS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to Knoxville nonstop

Carriers operating ORD to TYS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ORD to TYS on the interactive map →

Frequently asked questions about ORD to TYS

How far is Knoxville from Chicago?
ORD to TYS covers about 475 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ORD to TYS?
United Airlines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from ORD to TYS?
About 90 nonstop flights a week run between Chicago and Knoxville in the current schedule, operated by United Airlines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ORD to TYS depart?
Scheduled ORD to TYS nonstops in the next 7 days with service leave between 06:59 and 21:30, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ORD to TYS?
Open the ORD to TYS route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ORD to TYS upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free