Gulfport-Biloxi International in June 2026

82.9%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 June 2026, reporting carriers scheduled 234 domestic departures from Gulfport-Biloxi International (GPT). 82.9% left less than 15 minutes late and 83.3% reached their destination on time; 4.7% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so GPT departures were 10.7 points above the national departure figure.

A year earlier, in June 2025, the airport had 289 departures with 72.7% leaving on time: a change of +10.2 points, with flights down 19%.

Flights arriving at GPT that month were on time 81.2% of the time (234 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 28% and national aviation system 19%.

On time 83.3%
Arrived 15+ minutes late 11.1%
Cancelled 4.7%
Diverted 0.9%

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

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

Measure	Jun 2026	Jun 2025	GPT, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	82.9%	72.7%	83.0%	72.2%
Arrived on time	83.3%	70.6%	83.1%	72.8%
Cancelled	4.7%	3.8%	2.5%	1.6%
Average departure delay (late minutes only)	9.0 min	28.9 min	15.9 min	20.6 min
Scheduled departures a day	8	10	8	20,253
Scheduled departures	234	289	3,006	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	114	49%	92.1%	-5.6 min	0.9%
MQ Envoy Air	90	38%	74.4%	-2.2 min	6.7%
OH PSA Airlines	30	13%	76.7%	-4.2 min	13.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GPT–ATL	Gulfport/Biloxi to Atlanta	114	92.1%	-5.6 min	0.9%
GPT–DFW	Gulfport/Biloxi to Dallas/Fort Worth	90	74.4%	-2.2 min	6.7%
GPT–CLT	Gulfport/Biloxi to Charlotte	30	76.7%	-4.2 min	13.3%

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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	28.1%	30.8%	471
Late-arriving aircraft	45.9%	42.1%	768
National Aviation System	18.9%	20.3%	316
Extreme weather	7.1%	6.7%	119
Security	0.0%	0.1%	0

1,674 delay minutes on 26 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 June 2026?

82.9% of 234 scheduled domestic departures left less than 15 minutes late, and 83.3% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 72.7% of 289 departures left on time and 3.8% were cancelled, against 82.9% and 4.7% in June 2026.

Provenance

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