Key West International in May 2026

81.2%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 2026, reporting carriers scheduled 697 domestic departures from Key West International (EYW). 81.2% left less than 15 minutes late and 81.1% reached their destination on time; 0.9% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so EYW departures were 4.1 points above the national departure figure.

A year earlier, in May 2025, the airport had 622 departures with 75.6% leaving on time: a change of +5.6 points, with flights up 12%.

Flights arriving at EYW that month were on time 85.9% of the time (695 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 53%, late-arriving aircraft 36% and national aviation system 10%.

On time 81.1%
Arrived 15+ minutes late 15.9%
Cancelled 0.9%
Diverted 2.2%

Every scheduled departure from EYW in May 2026, judged by arrival at the destination.

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

Measure	May 2026	May 2025	EYW, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	81.2%	75.6%	74.8%	77.1%
Arrived on time	81.1%	74.0%	74.7%	77.6%
Cancelled	0.9%	0.5%	2.0%	0.9%
Average departure delay (late minutes only)	19.0 min	21.9 min	22.2 min	16.0 min
Scheduled departures a day	23	21	23	20,391
Scheduled departures	697	622	8,348	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	182	26%	75.8%	17.0 min	1.6%
MQ Envoy Air	174	25%	85.1%	2.5 min	0.0%
DL Delta Air Lines	127	18%	91.3%	-11.2 min	1.6%
YX Republic Airline	95	14%	75.8%	-8.5 min	1.1%
G4 Allegiant Air	88	13%	79.5%	27.4 min	0.0%
UA United Airlines	31	4%	67.7%	19.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EYW–ATL	Key West to Atlanta	126	91.3%	-11.3 min	1.6%
EYW–CLT	Key West to Charlotte	111	81.1%	14.8 min	0.9%
EYW–MIA	Key West to Miami	97	88.7%	6.9 min	0.0%
EYW–ORD	Key West to Chicago	83	81.9%	-9.0 min	1.2%
EYW–DCA	Key West to Washington	55	78.2%	1.5 min	1.8%
EYW–LGA	Key West to New York	40	67.5%	-3.2 min	0.0%
EYW–DFW	Key West to Dallas/Fort Worth	34	70.6%	6.4 min	2.9%
EYW–EWR	Key West to Newark	31	67.7%	19.9 min	0.0%
EYW–PHL	Key West to Philadelphia	31	64.5%	32.5 min	0.0%
EYW–PIE	Key West to St. Petersburg	27	85.2%	-3.8 min	0.0%
EYW–SFB	Key West to Sanford	12	41.7%	195.8 min	0.0%
EYW–AVL	Key West to Asheville	9	100.0%	-15.1 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	53.2%	33.0%	6,331
Late-arriving aircraft	36.3%	40.4%	4,321
National Aviation System	9.5%	20.5%	1,132
Extreme weather	0.9%	6.0%	107
Security	0.0%	0.1%	0

11,891 delay minutes on 111 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 May 2026?

81.2% of 697 scheduled domestic departures left less than 15 minutes late, and 81.1% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 75.6% of 622 departures left on time and 0.5% were cancelled, against 81.2% and 0.9% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.