Key West International in April 2025

76.8%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 April 2025, reporting carriers scheduled 754 domestic departures from Key West International (EYW). 76.8% left less than 15 minutes late and 76.8% reached their destination on time; 0.5% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so EYW departures were 3.8 points below the national departure figure.

A year earlier, in April 2024, the airport had 772 departures with 70.6% leaving on time: a change of +6.2 points, with flights down 2%.

Flights arriving at EYW that month were on time 82.8% of the time (754 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 32% and national aviation system 12%.

On time 76.8%
Arrived 15+ minutes late 21.4%
Cancelled 0.5%
Diverted 1.3%

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

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

Measure	Apr 2025	Apr 2024	EYW, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	76.8%	70.6%	74.8%	80.6%
Arrived on time	76.8%	68.3%	74.7%	79.5%
Cancelled	0.5%	1.4%	2.0%	0.8%
Average departure delay (late minutes only)	16.7 min	24.8 min	22.2 min	14.1 min
Scheduled departures a day	25	26	23	19,465
Scheduled departures	754	772	8,348	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	182	24%	79.7%	5.8 min	1.6%
AA American Airlines	168	22%	76.2%	20.2 min	0.0%
DL Delta Air Lines	124	16%	71.8%	11.2 min	0.8%
YX Republic Airline	115	15%	83.5%	0.5 min	0.0%
G4 Allegiant Air	72	10%	79.2%	7.3 min	0.0%
UA United Airlines	64	8%	67.2%	15.8 min	0.0%
B6 JetBlue Airways	29	4%	72.4%	2.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EYW–ATL	Key West to Atlanta	120	71.7%	11.3 min	0.8%
EYW–MIA	Key West to Miami	119	84.9%	5.3 min	0.8%
EYW–CLT	Key West to Charlotte	108	82.4%	9.5 min	0.0%
EYW–ORD	Key West to Chicago	64	56.3%	19.0 min	3.1%
EYW–LGA	Key West to New York	61	83.6%	4.4 min	0.0%
EYW–DCA	Key West to Washington	60	81.7%	-0.4 min	0.0%
EYW–PHL	Key West to Philadelphia	60	81.7%	24.1 min	0.0%
EYW–BOS	Key West to Boston	30	70.0%	3.5 min	0.0%
EYW–DFW	Key West to Dallas/Fort Worth	30	60.0%	22.2 min	0.0%
EYW–EWR	Key West to Newark	30	73.3%	11.7 min	0.0%
EYW–PIE	Key West to St. Petersburg	25	88.0%	8.3 min	0.0%
EYW–AVL	Key West to Asheville	12	91.7%	-5.3 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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	32.1%	32.7%	3,583
Late-arriving aircraft	45.7%	39.4%	5,103
National Aviation System	11.7%	22.2%	1,303
Extreme weather	8.4%	5.5%	941
Security	2.1%	0.2%	230

11,160 delay minutes on 161 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 April 2025?

76.8% of 754 scheduled domestic departures left less than 15 minutes late, and 76.8% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 70.6% of 772 departures left on time and 1.4% were cancelled, against 76.8% and 0.5% in April 2025.

Provenance

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