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
Filed traffic dataIn May 2026, CommuteAir operated the most departures, one of 2 carriers flying nonstop GPT–IAH; the Embraer ERJ-145 was the most common aircraft at 99% of departures; flights ran 88% full.
Departures
189
May 2026
Seats
9,566
both directions
Passengers
8,464
both directions
Load factor
88.5%
RPM ÷ ASM
Who flies GPT–IAH?
CommuteAir operated the most nonstop GPT–IAH departures in May 2026 (188), one of 2 carriers on the route.
- C5
188 departures · 9,400 seats
Share of departures99.5%88.3%
Load
- UA
1 departures · 166 seats
Share of departures0.5%98.2%
Load
What plane flies GPT–IAH?
In May 2026, the Embraer ERJ-145 flew 99% of GPT–IAH departures — more than any other aircraft type.
- Embraer ERJ-145
188 departures · 88.3% load
99.5% - Boeing 737 MAX 8
1 departures · 98.2% load
0.5%
How has GPT–IAH traffic changed?
Nonstop GPT–IAH departures fell from 216 in June 2025 to 189 in May 2026.
Monthly nonstop GPT–IAH traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
189 departures · 8,464 passengers
88.5%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → GPT
87.9% full
95 departures · 4,279 passengers
GPT → IAH
89.0% full
94 departures · 4,185 passengers
Nonstop GPT–IAH traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
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 May 2026, the Embraer ERJ-145 flew the largest share of departures (99.5%), followed by the Boeing 737 MAX 8 (0.5%).
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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