Huntsville (HSV) to Houston (IAH)
Flight time
≈ 1h 59m
Bearing
240° SW
Huntsville (HSV) to Houston (IAH) is 594 miles (956 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HSV–IAH
US DOT T-100 · filed dataIn April 2026, CommuteAir operated the most departures, one of 2 carriers flying nonstop HSV–IAH; the Embraer ERJ-145 was the most common aircraft at 96% of departures; flights ran 88% full.
Departures
214
April 2026
Seats
10,700
both directions
Passengers
9,380
both directions
Load factor
87.7%
passengers ÷ seats
Who flies HSV–IAH?
CommuteAir operated the most nonstop HSV–IAH departures in April 2026 (206), one of 2 carriers on the route.
- C5
CommuteAir
206 departures · 10,300 seats
Share of departures96.3%87.7%
Load
- OO
SkyWest Airlines
8 departures · 400 seats
Share of departures3.7%87.5%
Load
What plane flies HSV–IAH?
In April 2026, the Embraer ERJ-145 flew 96% of HSV–IAH departures — more than any other aircraft type.
- Embraer ERJ-145
206 departures · 87.7% load
96.3% - Bombardier CRJ-200
8 departures · 87.5% load
3.7%
How has HSV–IAH traffic changed?
Nonstop HSV–IAH departures fell from 246 in May 2025 to 214 in April 2026.
Monthly nonstop HSV–IAH traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
246 departures · 11,264 passengers
87.6%
Load
June 2025
269 departures · 11,799 passengers
86.9%
Load
July 2025
228 departures · 10,598 passengers
93.0%
Load
August 2025
231 departures · 9,910 passengers
85.8%
Load
September 2025
215 departures · 9,689 passengers
90.1%
Load
October 2025
243 departures · 10,205 passengers
84.0%
Load
November 2025
284 departures · 11,451 passengers
80.6%
Load
December 2025
232 departures · 10,392 passengers
89.6%
Load
January 2026
208 departures · 8,953 passengers
86.1%
Load
February 2026
187 departures · 8,614 passengers
92.1%
Load
March 2026
227 departures · 10,002 passengers
88.1%
Load
April 2026
214 departures · 9,380 passengers
87.7%
Load
By direction
The DOT files each direction separately — they rarely match.
HSV → IAH
88.3% full
107 departures · 4,722 passengers
IAH → HSV
87.1% full
107 departures · 4,658 passengers
Nonstop HSV–IAH 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 Huntsville (HSV) from Houston (IAH)?
HSV to IAH is 594 miles (956 km / 516 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HSV to IAH?
A nonstop covers the 594-mile great-circle distance in roughly 1h 59m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HSV–IAH?
In April 2026, the Embraer ERJ-145 flew the largest share of departures (96.3%), followed by the Bombardier CRJ-200 (3.7%).
What mileage do I earn flying HSV–IAH?
Distance-based programs credit off the 594-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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