St Pete Clearwater International in May 2025

77.3%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 2025, reporting carriers scheduled 811 domestic departures from St Pete Clearwater International (PIE). 77.3% left less than 15 minutes late and 75.8% reached their destination on time; 0.0% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so PIE departures were 0.6 points above the national departure figure.

A year earlier, in May 2024, the airport had 668 departures with 77.8% leaving on time: a change of −0.5 points, with flights up 21%.

Flights arriving at PIE that month were on time 71.1% of the time (811 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 30% and national aviation system 20%.

On time 75.8%
Arrived 15+ minutes late 23.8%
Cancelled 0.0%
Diverted 0.4%

Every scheduled departure from PIE in May 2025, judged by arrival at the destination.

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

Measure	May 2025	May 2024	PIE, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	77.3%	77.8%	78.7%	76.7%
Arrived on time	75.8%	77.7%	76.3%	75.4%
Cancelled	0.0%	0.3%	0.6%	1.0%
Average departure delay (late minutes only)	15.4 min	20.2 min	15.5 min	17.5 min
Scheduled departures a day	27	22	25	20,188
Scheduled departures	811	668	9,050	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	811	100%	75.8%	8.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PIE–TYS	St. Petersburg to Knoxville	44	72.7%	10.8 min	0.0%
PIE–AVL	St. Petersburg to Asheville	39	71.8%	24.5 min	0.0%
PIE–CVG	St. Petersburg to Cincinnati	33	63.6%	15.1 min	0.0%
PIE–GRR	St. Petersburg to Grand Rapids	31	74.2%	9.9 min	0.0%
PIE–EYW	St. Petersburg to Key West	27	92.6%	-10.1 min	0.0%
PIE–ABE	St. Petersburg to Allentown/Bethlehem/Easton	24	91.7%	-8.1 min	0.0%
PIE–FNT	St. Petersburg to Flint	24	75.0%	1.0 min	0.0%
PIE–DSM	St. Petersburg to Des Moines	22	86.4%	5.6 min	0.0%
PIE–IND	St. Petersburg to Indianapolis	22	63.6%	29.8 min	0.0%
PIE–BGR	St. Petersburg to Bangor	21	95.2%	-7.9 min	0.0%
PIE–SGF	St. Petersburg to Springfield	21	81.0%	13.0 min	0.0%
PIE–HTS	St. Petersburg to Ashland	19	68.4%	9.8 min	0.0%

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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	30.0%	29.3%	3,699
Late-arriving aircraft	40.4%	37.8%	4,983
National Aviation System	19.8%	25.9%	2,449
Extreme weather	9.8%	6.9%	1,212
Security	0.0%	0.1%	0

12,343 delay minutes on 193 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 PIE on time in May 2025?

77.3% of 811 scheduled domestic departures left less than 15 minutes late, and 75.8% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 77.8% of 668 departures left on time and 0.3% were cancelled, against 77.3% and 0.0% in May 2025.

Provenance

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