Chicago (ORD) to Knoxville/Maryville (TYS)
Flight time
≈ 1h 45m
Bearing
152° SE
Chicago (ORD) to Knoxville/Maryville (TYS) is 475 miles (765 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ORD–TYS
US DOT T-100 · filed dataIn April 2026, PSA Airlines operated the most departures, one of 4 carriers flying nonstop ORD–TYS; the Bombardier CRJ-700 was the most common aircraft at 46% of departures; flights ran 75% full.
Departures
436
April 2026
Seats
34,643
both directions
Passengers
25,984
both directions
Load factor
75.0%
passengers ÷ seats
Who flies ORD–TYS?
PSA Airlines operated the most nonstop ORD–TYS departures in April 2026 (168), one of 4 carriers on the route.
- OH
PSA Airlines
168 departures · 11,007 seats
Share of departures38.5%82.5%
Load
- OO
SkyWest Airlines
147 departures · 10,232 seats
Share of departures33.7%77.9%
Load
- UA
United Airlines
62 departures · 10,454 seats
Share of departures14.2%61.3%
Load
- G7
GoJet Airlines
59 departures · 2,950 seats
Share of departures13.5%85.3%
Load
What plane flies ORD–TYS?
In April 2026, the Bombardier CRJ-700 flew 46% of ORD–TYS departures — more than any other aircraft type.
- Bombardier CRJ-700
202 departures · 78.1% load
46.3% - Embraer E175
97 departures · 85.1% load
22.3% - Bombardier CRJ-550
67 departures · 85.7% load
15.4% - Boeing 737-800
35 departures · 59.4% load
8.0% - Boeing 737 MAX 9
12 departures · 63.8% load
2.8% - Bombardier CRJ-900
8 departures · 67.4% load
1.8% - Boeing 737-900ER
6 departures · 78.3% load
1.4% - Boeing 737 MAX 8
6 departures · 43.1% load
1.4% - Airbus A320
2 departures · 69.3% load
0.5% - Airbus A319
1 departures · 88.9% load
0.2%
How has ORD–TYS traffic changed?
Nonstop ORD–TYS departures fell from 479 in May 2025 to 436 in April 2026.
Monthly nonstop ORD–TYS traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
479 departures · 27,991 passengers
86.7%
Load
June 2025
474 departures · 31,807 passengers
91.6%
Load
July 2025
477 departures · 31,018 passengers
89.0%
Load
August 2025
470 departures · 28,286 passengers
84.9%
Load
September 2025
450 departures · 27,927 passengers
86.3%
Load
October 2025
541 departures · 31,303 passengers
86.2%
Load
November 2025
485 departures · 23,556 passengers
82.1%
Load
December 2025
415 departures · 20,369 passengers
84.2%
Load
January 2026
323 departures · 16,219 passengers
73.4%
Load
February 2026
338 departures · 18,797 passengers
80.2%
Load
March 2026
377 departures · 21,698 passengers
81.1%
Load
April 2026
436 departures · 25,984 passengers
75.0%
Load
By direction
The DOT files each direction separately — they rarely match.
ORD → TYS
71.4% full
223 departures · 12,585 passengers
TYS → ORD
78.7% full
213 departures · 13,399 passengers
Nonstop ORD–TYS traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Chicago (ORD) from Knoxville/Maryville (TYS)?
ORD to TYS is 475 miles (765 km / 413 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ORD to TYS?
A nonstop covers the 475-mile great-circle distance in roughly 1h 45m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ORD–TYS?
In April 2026, the Bombardier CRJ-700 flew the largest share of departures (46.3%), followed by the Embraer E175 (22.3%).
What mileage do I earn flying ORD–TYS?
Distance-based programs credit off the 475-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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