Gulfport-Biloxi International in December 2025

79.7%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In December 2025, reporting carriers scheduled 246 domestic departures from Gulfport-Biloxi International (GPT). 79.7% left less than 15 minutes late and 81.3% reached their destination on time; 4.5% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so GPT departures were 7.7 points above the national departure figure.

A year earlier, in December 2024, the airport had 297 departures with 81.5% leaving on time: a change of −1.8 points, with flights down 17%.

Flights arriving at GPT that month were on time 76.3% of the time (245 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 39% and extreme weather 11%.

On time 81.3%
Arrived 15+ minutes late 14.2%
Cancelled 4.5%
Diverted 0.0%

Every scheduled departure from GPT in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	GPT, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	79.7%	81.5%	83.0%	72.0%
Arrived on time	81.3%	78.1%	83.1%	71.9%
Cancelled	4.5%	0.7%	2.5%	1.5%
Average departure delay (late minutes only)	21.9 min	17.9 min	15.9 min	21.2 min
Scheduled departures a day	8	10	8	19,410
Scheduled departures	246	297	3,006	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	98	40%	82.7%	10.0 min	4.1%
OH PSA Airlines	94	38%	76.6%	9.7 min	7.4%
MQ Envoy Air	54	22%	87.0%	-6.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GPT–DFW	Gulfport/Biloxi to Dallas/Fort Worth	102	83.3%	-4.3 min	3.9%
GPT–ATL	Gulfport/Biloxi to Atlanta	98	82.7%	10.0 min	4.1%
GPT–CLT	Gulfport/Biloxi to Charlotte	46	73.9%	21.4 min	6.5%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	38.5%	33.3%	1,802
Late-arriving aircraft	45.8%	41.1%	2,141
National Aviation System	5.2%	19.1%	242
Extreme weather	10.6%	6.4%	494
Security	0.0%	0.2%	0

4,679 delay minutes on 35 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left GPT on time in December 2025?

79.7% of 246 scheduled domestic departures left less than 15 minutes late, and 81.3% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 81.5% of 297 departures left on time and 0.7% were cancelled, against 79.7% and 4.5% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GPT · methodology · corrections.