Gulfport-Biloxi International in May 2026

78.8%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 May 2026, reporting carriers scheduled 273 domestic departures from Gulfport-Biloxi International (GPT). 78.8% left less than 15 minutes late and 80.2% reached their destination on time; 1.5% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so GPT departures were 1.7 points above the national departure figure.

A year earlier, in May 2025, the airport had 304 departures with 79.3% leaving on time: a change of −0.5 points, with flights down 10%.

Flights arriving at GPT that month were on time 70.7% of the time (273 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 31% and national aviation system 23%.

On time 80.2%
Arrived 15+ minutes late 17.6%
Cancelled 1.5%
Diverted 0.7%

Every scheduled departure from GPT in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	GPT, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	78.8%	79.3%	83.0%	77.1%
Arrived on time	80.2%	76.3%	83.1%	77.6%
Cancelled	1.5%	2.0%	2.5%	0.9%
Average departure delay (late minutes only)	24.9 min	15.3 min	15.9 min	16.0 min
Scheduled departures a day	9	10	8	20,391
Scheduled departures	273	304	3,006	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	118	43%	81.4%	0.2 min	0.8%
OH PSA Airlines	103	38%	81.6%	3.5 min	1.0%
MQ Envoy Air	52	19%	75.0%	51.2 min	3.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GPT–ATL	Gulfport/Biloxi to Atlanta	118	81.4%	0.2 min	0.8%
GPT–DFW	Gulfport/Biloxi to Dallas/Fort Worth	104	76.0%	28.1 min	2.9%
GPT–CLT	Gulfport/Biloxi to Charlotte	51	86.3%	1.1 min	0.0%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	40.1%	33.0%	2,480
Late-arriving aircraft	30.7%	40.4%	1,901
National Aviation System	23.4%	20.5%	1,447
Extreme weather	5.8%	6.0%	362
Security	0.0%	0.1%	0

6,190 delay minutes on 48 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 May 2026?

78.8% of 273 scheduled domestic departures left less than 15 minutes late, and 80.2% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 79.3% of 304 departures left on time and 2.0% were cancelled, against 78.8% and 1.5% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.