Key West International in December 2025

72.1%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 December 2025, reporting carriers scheduled 866 domestic departures from Key West International (EYW). 72.1% left less than 15 minutes late and 73.4% reached their destination on time; 0.9% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so EYW departures were level with the national departure figure.

A year earlier, in December 2024, the airport had 777 departures with 70.5% leaving on time: a change of +1.6 points, with flights up 11%.

Flights arriving at EYW that month were on time 70.8% of the time (865 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 50%, air carrier 37% and national aviation system 10%.

On time 73.4%
Arrived 15+ minutes late 25.4%
Cancelled 0.9%
Diverted 0.2%

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

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

Measure	Dec 2025	Dec 2024	EYW, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	72.1%	70.5%	74.8%	72.0%
Arrived on time	73.4%	71.4%	74.7%	71.9%
Cancelled	0.9%	3.3%	2.0%	1.5%
Average departure delay (late minutes only)	24.3 min	30.0 min	22.2 min	21.2 min
Scheduled departures a day	29	26	23	19,410
Scheduled departures	866	777	8,348	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	225	26%	75.6%	14.6 min	0.0%
YX Republic Airline	182	21%	66.5%	18.8 min	1.6%
AA American Airlines	152	18%	73.7%	13.6 min	0.0%
DL Delta Air Lines	133	15%	79.7%	5.7 min	2.3%
G4 Allegiant Air	84	10%	72.6%	11.6 min	1.2%
UA United Airlines	45	5%	71.1%	32.4 min	0.0%
B6 JetBlue Airways	25	3%	88.0%	-3.1 min	0.0%
NK Spirit Airlines	20	2%	60.0%	1.4 min	5.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EYW–MIA	Key West to Miami	129	79.8%	4.0 min	0.0%
EYW–ATL	Key West to Atlanta	121	83.5%	2.0 min	0.8%
EYW–CLT	Key West to Charlotte	121	81.8%	6.5 min	0.0%
EYW–ORD	Key West to Chicago	89	58.4%	44.7 min	0.0%
EYW–DCA	Key West to Washington	61	83.6%	0.0 min	0.0%
EYW–PHL	Key West to Philadelphia	55	74.5%	2.3 min	0.0%
EYW–LGA	Key West to New York	45	51.1%	50.2 min	8.9%
EYW–EWR	Key West to Newark	44	65.9%	25.0 min	2.3%
EYW–BOS	Key West to Boston	39	69.2%	21.5 min	0.0%
EYW–DFW	Key West to Dallas/Fort Worth	30	56.7%	35.5 min	0.0%
EYW–IAD	Key West to Washington	28	71.4%	6.5 min	0.0%
EYW–PIE	Key West to St. Petersburg	27	63.0%	-0.6 min	3.7%

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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	36.7%	33.3%	7,105
Late-arriving aircraft	50.0%	41.1%	9,684
National Aviation System	10.4%	19.1%	2,014
Extreme weather	2.8%	6.4%	548
Security	0.1%	0.2%	14

19,365 delay minutes on 220 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 December 2025?

72.1% of 866 scheduled domestic departures left less than 15 minutes late, and 73.4% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 70.5% of 777 departures left on time and 3.3% were cancelled, against 72.1% and 0.9% in December 2025.

Provenance

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