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

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

82.5% of 1,316 official scheduled ATL-to-GPT flights arrived on time; 10.6% 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
82.5%arrived on time
10.6%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 late5.7%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+2.1 mincompleted flights

Which departure time was most reliable for ATL to GPT?

Among qualifying ATL-to-GPT departure window results, Early morning had the highest on-time rate: 93.1% of 116 flights. Afternoon was lowest at 79.8% across 575 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning11693.1%2.6%2.6%
Late morning23686.0%8.1%1.7%
Afternoon57579.8%13.2%1.0%
Night36081.1%10.8%1.9%

Which weekday was most reliable for ATL to GPT?

Among qualifying ATL-to-GPT weekday results, Tuesday had the highest on-time rate: 88.0% of 192 flights. Sunday was lowest at 75.3% across 194 flights.

DayFlightsOn time30+ minCancelled
Monday19783.2%12.7%1.0%
Tuesday19288.0%7.3%1.0%
Wednesday18987.8%9.0%0.0%
Thursday19578.5%15.9%1.0%
Friday19582.6%9.7%0.5%
Saturday15482.5%7.8%2.6%
Sunday19475.3%11.3%4.6%

Which airline was most reliable for ATL to GPT?

Only Delta Air Lines met the ATL-to-GPT airline threshold: 82.5% of 1,316 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,31682.5%10.6%1.5%

Which month was most reliable for ATL to GPT?

Among qualifying ATL-to-GPT month results, October 2025 had the highest on-time rate: 90.5% of 116 flights. January 2026 was lowest at 72.9% across 96 flights.

MonthFlightsOn time30+ minCancelled
July 202511678.4%15.5%0.0%
August 202511386.7%6.2%0.0%
September 202510787.9%10.3%0.0%
October 202511690.5%4.3%0.0%
November 202510679.2%12.3%2.8%
December 20259881.6%10.2%4.1%
January 20269672.9%14.6%6.2%
February 20269885.7%9.2%0.0%
March 202611877.1%11.0%4.2%
April 202611687.1%6.9%0.9%
May 202611873.7%19.5%0.0%
June 202611488.6%7.9%0.9%

What drove ATL to GPT delay minutes?

Airline was the largest recorded ATL-to-GPT delay category, accounting for 53.7% of 13,223 BTS-attributed delay minutes during July 2025–June 2026.

Airline53.7%
Late aircraft28.3%
National airspace10.8%
Weather7.2%
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.