Key West International in December 2023

73.2%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 December 2023, reporting carriers scheduled 777 domestic departures from Key West International (EYW). 73.2% left less than 15 minutes late and 76.3% reached their destination on time; 0.4% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so EYW departures were 9.9 points below the national departure figure.

Flights arriving at EYW that month were on time 77.4% of the time (778 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 29% and extreme weather 12%.

On time 76.3%
Arrived 15+ minutes late 22.9%
Cancelled 0.4%
Diverted 0.4%

Every scheduled departure from EYW in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	EYW, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	73.2%	—	74.8%	83.1%
Arrived on time	76.3%	—	74.7%	83.8%
Cancelled	0.4%	—	2.0%	0.4%
Average departure delay (late minutes only)	24.3 min	—	22.2 min	11.6 min
Scheduled departures a day	26	—	23	19,013
Scheduled departures	777	—	8,348	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	196	25%	66.3%	30.1 min	0.0%
MQ Envoy Air	181	23%	68.0%	11.4 min	0.0%
YX Republic Airline	142	18%	85.9%	-0.9 min	0.7%
DL Delta Air Lines	93	12%	88.2%	7.8 min	0.0%
UA United Airlines	64	8%	82.8%	20.2 min	1.6%
G4 Allegiant Air	43	6%	86.0%	-2.1 min	2.3%
9E Endeavor Air	31	4%	80.6%	15.1 min	0.0%
B6 JetBlue Airways	27	3%	77.8%	12.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EYW–CLT	Key West to Charlotte	149	69.8%	25.7 min	0.0%
EYW–ATL	Key West to Atlanta	124	86.3%	9.7 min	0.0%
EYW–MIA	Key West to Miami	112	71.4%	15.4 min	0.0%
EYW–DCA	Key West to Washington	62	77.4%	6.3 min	0.0%
EYW–EWR	Key West to Newark	60	90.0%	-7.6 min	0.0%
EYW–LGA	Key West to New York	60	83.3%	-2.3 min	1.7%
EYW–DFW	Key West to Dallas/Fort Worth	42	66.7%	8.1 min	0.0%
EYW–ORD	Key West to Chicago	42	66.7%	3.3 min	0.0%
EYW–PHL	Key West to Philadelphia	31	54.8%	65.6 min	0.0%
EYW–BOS	Key West to Boston	29	72.4%	13.7 min	0.0%
EYW–IAD	Key West to Washington	12	75.0%	116.9 min	8.3%
EYW–IAH	Key West to Houston	11	90.9%	-4.5 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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	28.6%	37.1%	4,839
Late-arriving aircraft	50.9%	38.8%	8,604
National Aviation System	8.6%	17.6%	1,453
Extreme weather	11.8%	6.2%	2,001
Security	0.1%	0.3%	16

16,913 delay minutes on 178 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 2023?

73.2% of 777 scheduled domestic departures left less than 15 minutes late, and 76.3% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; 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.