Houston (HOU) to Knoxville/Maryville (TYS)
Flight time
≈ 2h 22m
Bearing
54° NE
Houston (HOU) to Knoxville/Maryville (TYS) is 781 miles (1,257 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–TYS
Filed traffic dataIn July 2026, Allegiant Air was the only carrier flying nonstop HOU–TYS; the Airbus A320 was the most common aircraft at 100% of departures; flights ran 89% full.
Departures
18
July 2026
Seats
3,240
both directions
Passengers
2,873
both directions
Load factor
88.7%
RPM ÷ ASM
Who flies HOU–TYS?
Allegiant Air was the only carrier to fly nonstop HOU–TYS in July 2026 (18 departures).
- G4
18 departures · 3,240 seats
Share of departures100.0%88.7%
Load
What plane flies HOU–TYS?
In July 2026, the Airbus A320 flew 100% of HOU–TYS departures.
- Airbus A320
18 departures · 88.7% load
100.0%
How has HOU–TYS traffic changed?
Nonstop HOU–TYS departures rose from 12 in August 2025 to 18 in July 2026.
Monthly nonstop HOU–TYS traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
12 departures · 1,639 passengers
75.9%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
18 departures · 2,568 passengers
79.3%
Load
November 2025
18 departures · 2,276 passengers
70.3%
Load
December 2025
17 departures · 2,289 passengers
79.2%
Load
January 2026
4 departures · 542 passengers
75.3%
Load
February 2026
1 departures · 0 passengers
0.0%
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
0 departures · 0 passengers
—
Load
May 2026
6 departures · 986 passengers
91.3%
Load
June 2026
19 departures · 3,025 passengers
88.6%
Load
July 2026
18 departures · 2,873 passengers
88.7%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → TYS
86.2% full
9 departures · 1,396 passengers
TYS → HOU
91.2% full
9 departures · 1,477 passengers
Nonstop HOU–TYS traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Houston (HOU) from Knoxville/Maryville (TYS)?
HOU to TYS is 781 miles (1,257 km / 679 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to TYS?
A nonstop covers the 781-mile great-circle distance in roughly 2h 22m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–TYS?
In July 2026, the Airbus A320 flew the largest share of departures (100.0%).
What mileage do I earn flying HOU–TYS?
Distance-based programs credit off the 781-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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