GPT (Gulfport) to IAH (Houston) flights arrive on time 79% of the time. The most reliable airline on this route is SkyWest Airlines at 79%. The average delay is 191 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.GPT → IAH
GPT (Gulfport) to IAH (Houston)
GPT → IAH on-time performance by month
24
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from GPT
84% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. GPT has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
GPT cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at IAH
79% on timeWhen flights into IAH are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at IAH: TSA is ~11 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of GPT? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.