Jacksonville International in May 2026

79.3%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 2,744 domestic departures from Jacksonville International (JAX). 79.3% left less than 15 minutes late and 80.6% reached their destination on time; 1.0% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so JAX departures were 2.2 points above the national departure figure.

A year earlier, in May 2025, the airport had 2,483 departures with 77.4% leaving on time: a change of +1.9 points, with flights up 11%.

Flights arriving at JAX that month were on time 74.8% of the time (2,743 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 38% and national aviation system 16%.

On time 80.6%
Arrived 15+ minutes late 18.3%
Cancelled 1.0%
Diverted 0.1%

Every scheduled departure from JAX 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	JAX, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	79.3%	77.4%	78.0%	77.1%
Arrived on time	80.6%	75.4%	78.3%	77.6%
Cancelled	1.0%	2.1%	1.8%	0.9%
Average departure delay (late minutes only)	18.7 min	17.8 min	18.1 min	16.0 min
Scheduled departures a day	92	83	80	20,391
Scheduled departures	2,744	2,483	29,091	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	612	22%	79.7%	11.0 min	2.0%
DL Delta Air Lines	464	17%	81.5%	2.5 min	2.2%
WN Southwest Airlines	425	15%	75.8%	6.0 min	0.5%
UA United Airlines	389	14%	85.9%	2.3 min	0.0%
YX Republic Airline	306	11%	87.9%	-5.2 min	0.7%
B6 JetBlue Airways	178	6%	87.6%	-5.6 min	0.6%
G4 Allegiant Air	101	4%	61.4%	68.4 min	0.0%
MQ Envoy Air	88	3%	79.5%	0.6 min	0.0%
OO SkyWest Airlines	75	3%	81.3%	28.9 min	0.0%
F9 Frontier Airlines	74	3%	70.3%	16.2 min	0.0%
OH PSA Airlines	32	1%	62.5%	69.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JAX–ATL	Jacksonville to Atlanta	375	78.9%	4.3 min	1.9%
JAX–ORD	Jacksonville to Chicago	210	82.4%	9.8 min	0.5%
JAX–DFW	Jacksonville to Dallas/Fort Worth	176	75.6%	6.3 min	5.7%
JAX–CLT	Jacksonville to Charlotte	172	82.6%	10.8 min	0.0%
JAX–BOS	Jacksonville to Boston	161	88.2%	-5.7 min	0.0%
JAX–PHL	Jacksonville to Philadelphia	151	81.5%	19.5 min	1.3%
JAX–BWI	Jacksonville to Baltimore	128	70.3%	9.2 min	0.8%
JAX–MIA	Jacksonville to Miami	123	82.9%	0.4 min	0.0%
JAX–EWR	Jacksonville to Newark	122	88.5%	-0.5 min	0.0%
JAX–JFK	Jacksonville to New York	120	84.2%	1.3 min	0.8%
JAX–DCA	Jacksonville to Washington	119	73.9%	21.1 min	0.8%
JAX–BNA	Jacksonville to Nashville	106	75.5%	6.6 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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	39.6%	33.0%	18,602
Late-arriving aircraft	38.3%	40.4%	17,983
National Aviation System	16.2%	20.5%	7,611
Extreme weather	5.8%	6.0%	2,734
Security	0.0%	0.1%	0

46,930 delay minutes on 501 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 JAX on time in May 2026?

79.3% of 2,744 scheduled domestic departures left less than 15 minutes late, and 80.6% 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, 77.4% of 2,483 departures left on time and 2.1% were cancelled, against 79.3% and 1.0% 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 JAX · methodology · corrections.