ATL (Atlanta) to GPT (Gulfport) flights arrive on time 85% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 67 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.ATL → GPT
ATL (Atlanta) to GPT (Gulfport)
ATL → GPT on-time performance by month
This route is on time most of the time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Delta Air Lines edges out Endeavor Air on this route — 85% vs 78% on time.
Airline Comparison
Delta Air Lines leads at 85% on time; Endeavor Air trails at 78%.
Good to know
Departing from ATL
83% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at GPT
85% on timeWhen flights into GPT are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at GPT: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.
Know before you go
Flying ATL → GPT? We'll brief you before takeoff.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.