Key West International in August 2025

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 August 2025, reporting carriers scheduled 480 domestic departures from Key West International (EYW). 78.8% left less than 15 minutes late and 76.3% reached their destination on time; 0.4% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so EYW departures were 2.0 points above the national departure figure.

A year earlier, in August 2024, the airport had 497 departures with 70.4% leaving on time: a change of +8.4 points, with flights down 3%.

Flights arriving at EYW that month were on time 80.2% of the time (480 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 28% and national aviation system 13%.

On time 76.3%
Arrived 15+ minutes late 22.1%
Cancelled 0.4%
Diverted 1.3%

Every scheduled departure from EYW in August 2025, judged by arrival at the destination.

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

Measure	Aug 2025	Aug 2024	EYW, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	78.8%	70.4%	74.8%	76.8%
Arrived on time	76.3%	68.0%	74.7%	76.3%
Cancelled	0.4%	7.6%	2.0%	1.1%
Average departure delay (late minutes only)	17.6 min	24.4 min	22.2 min	17.6 min
Scheduled departures a day	16	17	23	20,079
Scheduled departures	480	497	8,348	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	128	27%	76.6%	8.8 min	0.8%
DL Delta Air Lines	124	26%	80.6%	4.6 min	0.0%
AA American Airlines	98	20%	69.4%	27.5 min	1.0%
G4 Allegiant Air	64	13%	76.6%	-0.3 min	0.0%
YX Republic Airline	46	10%	80.4%	0.6 min	0.0%
UA United Airlines	20	4%	70.0%	9.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EYW–ATL	Key West to Atlanta	124	80.6%	4.6 min	0.0%
EYW–MIA	Key West to Miami	93	75.3%	14.4 min	0.0%
EYW–CLT	Key West to Charlotte	78	79.5%	5.1 min	1.3%
EYW–DCA	Key West to Washington	31	87.1%	-6.6 min	0.0%
EYW–EWR	Key West to Newark	31	71.0%	6.3 min	0.0%
EYW–PHL	Key West to Philadelphia	31	54.8%	65.5 min	0.0%
EYW–DFW	Key West to Dallas/Fort Worth	27	66.7%	13.9 min	3.7%
EYW–PIE	Key West to St. Petersburg	27	85.2%	-7.2 min	0.0%
EYW–AVL	Key West to Asheville	9	66.7%	-0.2 min	0.0%
EYW–CVG	Key West to Cincinnati	9	77.8%	-6.4 min	0.0%
EYW–PIT	Key West to Pittsburgh	9	88.9%	-9.8 min	0.0%
EYW–SFB	Key West to Sanford	9	44.4%	42.9 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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	28.4%	33.1%	2,282
Late-arriving aircraft	50.8%	40.5%	4,086
National Aviation System	12.7%	19.2%	1,021
Extreme weather	8.2%	7.0%	656
Security	0.0%	0.1%	0

8,045 delay minutes on 106 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 EYW on time in August 2025?

78.8% of 480 scheduled domestic departures left less than 15 minutes late, and 76.3% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 70.4% of 497 departures left on time and 7.6% were cancelled, against 78.8% and 0.4% in August 2025.

Provenance

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