BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
GPT→ATL

Gulfport/Biloxi, MS (GPT) to Atlanta, GA (ATL) flight delay odds

87.4% of 1,316 official scheduled GPT-to-ATL flights arrived on time; 7.8% arrived at least 30 minutes late and 1.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
87.4%arrived on time
7.8%30+ min late
1.5%cancelled
1,316scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-1.0 mincompleted flights

Which departure time was most reliable for GPT to ATL?

Among qualifying GPT-to-ATL departure window results, Early morning had the highest on-time rate: 91.5% of 365 flights. Evening was lowest at 79.5% across 268 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36591.5%4.9%1.9%
Late morning35089.1%6.0%2.0%
Afternoon33387.4%8.7%0.6%
Evening26879.5%13.1%1.5%

Which weekday was most reliable for GPT to ATL?

Among qualifying GPT-to-ATL weekday results, Wednesday had the highest on-time rate: 91.5% of 189 flights. Sunday was lowest at 82.5% across 194 flights.

DayFlightsOn time30+ minCancelled
Monday19785.3%9.6%2.5%
Tuesday19290.1%6.2%1.0%
Wednesday18991.5%4.2%0.0%
Thursday19588.2%9.2%0.5%
Friday19588.2%8.2%1.5%
Saturday15485.7%7.8%1.9%
Sunday19482.5%9.3%3.1%

Which airline was most reliable for GPT to ATL?

Only Delta Air Lines met the GPT-to-ATL airline threshold: 87.4% of 1,316 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,31687.4%7.8%1.5%

Which month was most reliable for GPT to ATL?

Among qualifying GPT-to-ATL month results, April 2026 had the highest on-time rate: 94.8% of 116 flights. January 2026 was lowest at 77.1% across 96 flights.

MonthFlightsOn time30+ minCancelled
July 202511692.2%6.0%0.0%
August 202511387.6%8.8%0.0%
September 202510789.7%4.7%0.0%
October 202511692.2%5.2%0.0%
November 202510682.1%12.3%2.8%
December 20259882.7%7.1%4.1%
January 20269677.1%12.5%6.2%
February 20269891.8%6.1%0.0%
March 202611883.1%11.0%4.2%
April 202611694.8%3.4%0.0%
May 202611881.4%11.9%0.8%
June 202611492.1%5.3%0.9%

What drove GPT to ATL delay minutes?

Late aircraft was the largest recorded GPT-to-ATL delay category, accounting for 43.7% of 15,050 BTS-attributed delay minutes during July 2025–June 2026.

Airline43.3%
Late aircraft43.7%
National airspace7.6%
Weather5.3%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.