Gulfport (GPT) to Houston (IAH)
Flight time
≈ 1h 33m
Bearing
267° W
Gulfport (GPT) to Houston (IAH) is 376 miles (604 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies GPT–IAH
US DOT T-100 · filed dataIn April 2026, CommuteAir was the only carrier flying nonstop GPT–IAH; the Embraer ERJ-145 was the most common aircraft at 100% of departures; flights ran 88% full.
Departures
164
April 2026
Seats
8,200
both directions
Passengers
7,254
both directions
Load factor
88.5%
passengers ÷ seats
Who flies GPT–IAH?
CommuteAir was the only carrier to fly nonstop GPT–IAH in April 2026 (164 departures).
- C5
CommuteAir
164 departures · 8,200 seats
Share of departures100.0%88.5%
Load
What plane flies GPT–IAH?
In April 2026, the Embraer ERJ-145 flew 100% of GPT–IAH departures.
- Embraer ERJ-145
164 departures · 88.5% load
100.0%
How has GPT–IAH traffic changed?
Nonstop GPT–IAH departures fell from 195 in May 2025 to 164 in April 2026.
Monthly nonstop GPT–IAH traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
195 departures · 8,992 passengers
92.2%
Load
June 2025
216 departures · 9,480 passengers
87.8%
Load
July 2025
214 departures · 9,275 passengers
86.7%
Load
August 2025
200 departures · 8,755 passengers
87.5%
Load
September 2025
176 departures · 7,698 passengers
87.5%
Load
October 2025
206 departures · 9,158 passengers
88.9%
Load
November 2025
203 departures · 8,210 passengers
80.9%
Load
December 2025
175 departures · 7,691 passengers
87.9%
Load
January 2026
163 departures · 7,189 passengers
88.2%
Load
February 2026
152 departures · 6,972 passengers
91.7%
Load
March 2026
169 departures · 7,535 passengers
89.2%
Load
April 2026
164 departures · 7,254 passengers
88.5%
Load
By direction
The DOT files each direction separately — they rarely match.
GPT → IAH
88.1% full
82 departures · 3,614 passengers
IAH → GPT
88.8% full
82 departures · 3,640 passengers
Nonstop GPT–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 Gulfport (GPT) from Houston (IAH)?
GPT to IAH is 376 miles (604 km / 326 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from GPT to IAH?
A nonstop covers the 376-mile great-circle distance in roughly 1h 33m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies GPT–IAH?
In April 2026, the Embraer ERJ-145 flew the largest share of departures (100.0%).
What mileage do I earn flying GPT–IAH?
Distance-based programs credit off the 376-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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