FlightRecord

Gulfport Biloxi International Airport (GPT): Delays & On-Time Performance

Data through July 2026

Gulfport Biloxi International Airport (GPT) is a tale of two seasons: departures ran 92% on-time in September 2025 but sank to 76% in June 2025. Across the year it averages 85% against a national 78%, over roughly 8 departures a day to 4 destinations.

Departures on-time
85%
left <15 min late
Avg dep delay
16 min
Arrivals on-time
80%
Cancelled
2.7%
Destinations
4
nonstop
Airlines
6

Plan your departure from GPT

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 9 a.m.
94% on-time
Best day to fly
Tuesday
87% on-time
Most reliable airline here
Delta Air Lines
87% on-time from GPT
Cancellation risk
2.7%
above the US average

Monthly on-time trend

Monthly departure on-time percentage at GPT50%75%100%August 2024: 87% on-time (298 flights)87Aug 2024September 2024: 83% on-time (290 flights)83October 2024: 91% on-time (299 flights)91November 2024: 91% on-time (274 flights)91Nov 2024December 2024: 82% on-time (297 flights)82January 2025: 89% on-time (279 flights)89February 2025: 81% on-time (261 flights)81Feb 2025March 2025: 82% on-time (292 flights)82April 2025: 88% on-time (291 flights)88May 2025: 81% on-time (304 flights)81May 2025June 2025: 76% on-time (289 flights)76July 2025: 87% on-time (292 flights)87August 2025: 87% on-time (297 flights)87Aug 2025September 2025: 92% on-time (287 flights)92October 2025: 87% on-time (274 flights)87November 2025: 86% on-time (249 flights)86Nov 2025December 2025: 83% on-time (246 flights)83January 2026: 82% on-time (235 flights)82February 2026: 90% on-time (205 flights)90Feb 2026March 2026: 83% on-time (221 flights)83April 2026: 87% on-time (252 flights)87May 2026: 80% on-time (273 flights)80May 2026June 2026: 87% on-time (234 flights)87July 2026: 77% on-time (233 flights)77

Best time of day to depart from GPT

On-time percentage by scheduled departure hour at GPT5 a.m.: 90% on-time (699 flights)56 a.m.: 93% on-time (1,155 flights)67 a.m.: 90% on-time (326 flights)79 a.m.: 94% on-time (149 flights)910 a.m.: 89% on-time (848 flights)1011 a.m.: 80% on-time (312 flights)1112 p.m.: 86% on-time (472 flights)121 p.m.: 80% on-time (315 flights)132 p.m.: 81% on-time (333 flights)143 p.m.: 86% on-time (106 flights)154 p.m.: 72% on-time (310 flights)165 p.m.: 78% on-time (446 flights)176 p.m.: 76% on-time (727 flights)187 p.m.: 75% on-time (556 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday85%15 min
Tuesdaybest87%16 min
Wednesday84%13 min
Thursday85%13 min
Friday83%16 min
Saturday82%17 min
Sunday80%22 min

Next: compare the busiest routes from GPT ↓

Busiest routes from GPT

RouteFlights/12moOn-timeAvg delay
GPT → ATL (Atlanta)1,31787%14 min
GPT → DFW (Dallas/Fort Worth)1,07482%16 min
GPT → CLT (Charlotte)61581%18 min

Compare airlines departing GPT ↓

Where flights into GPT come from

RouteFlights/12moOn-timeAvg delay
ATL (Atlanta) → GPT1,31783%13 min
DFW (Dallas/Fort Worth) → GPT1,07080%16 min
CLT (Charlotte) → GPT61978%18 min

Most reliable routes

  1. GPT → ATL87%
  2. GPT → DFW82%
  3. GPT → CLT81%

Most delay-prone routes

  1. GPT → CLT81%
  2. GPT → DFW82%
  3. GPT → ATL87%

What causes delays at GPT

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing GPT.

  • Late-arriving aircraft41%
  • Airline operations40%
  • National airspace system12%
  • Weather8%

Alternative airports near Gulfport/Biloxi

Other airports within 120 miles, compared on departure reliability.

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at GPT

AirlineOn-time departuresAvg delayFlights
Delta Air Lines87%15 min2,707
SkyWest Airlines85%18 min365
PSA Airlines84%18 min2,342
Envoy Air82%14 min1,317

Frequently asked questions

How often are flights delayed at GPT?
16% of departures from Gulfport Biloxi International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 16 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from GPT?
Flights scheduled around 9 a.m. depart on time 94% of the time at GPT, versus 72% around 4 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at GPT?
In this dataset, June 2025 was the weakest month at GPT, with 76% of departures on time.
How often are flights cancelled at GPT?
2.7% of scheduled departures from GPT were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 6,780 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.