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
Filed traffic dataIn July 2026, CommuteAir operated the most departures, one of 4 carriers flying nonstop HSV–IAH; the Embraer ERJ-145 was the most common aircraft at 99% of departures; flights ran 86% full.
Departures
301
July 2026
Seats
15,350
both directions
Passengers
13,145
both directions
Load factor
85.6%
RPM ÷ ASM
Who flies HSV–IAH?
CommuteAir operated the most nonstop HSV–IAH departures in July 2026 (297), one of 4 carriers on the route.
- C5
297 departures · 14,850 seats
Share of departures98.7%85.9%
Load
- DL
2 departures · 348 seats
Share of departures0.7%95.1%
Load
- OH
1 departures · 76 seats
Share of departures0.3%69.7%
Load
- OO
1 departures · 76 seats
Share of departures0.3%0.0%
Load
What plane flies HSV–IAH?
In July 2026, the Embraer ERJ-145 flew 99% of HSV–IAH departures — more than any other aircraft type.
- Embraer ERJ-145
297 departures · 85.9% load
98.7% - Bombardier CRJ-900
1 departures · 69.7% load
0.3% - Embraer E175
1 departures · 0.0% load
0.3% - Airbus A320
1 departures · 97.5% load
0.3% - Airbus A321
1 departures · 93.2% load
0.3%
How has HSV–IAH traffic changed?
Nonstop HSV–IAH departures rose from 231 in August 2025 to 301 in July 2026.
Monthly nonstop HSV–IAH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
257 departures · 11,165 passengers
86.9%
Load
June 2026
292 departures · 12,225 passengers
83.7%
Load
July 2026
301 departures · 13,145 passengers
85.6%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → HSV
87.3% full
152 departures · 6,876 passengers
HSV → IAH
83.9% full
149 departures · 6,269 passengers
Nonstop HSV–IAH 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 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 July 2026, the Embraer ERJ-145 flew the largest share of departures (98.7%), followed by the Bombardier CRJ-900 (0.3%).
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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