Jacksonville International in May 2025

77.4%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 2025, reporting carriers scheduled 2,483 domestic departures from Jacksonville International (JAX). 77.4% left less than 15 minutes late and 75.4% reached their destination on time; 2.1% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so JAX departures were 0.7 points above the national departure figure.

A year earlier, in May 2024, the airport had 2,741 departures with 74.8% leaving on time: a change of +2.6 points, with flights down 9%.

Flights arriving at JAX that month were on time 71.2% of the time (2,482 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, national aviation system 29% and air carrier 21%.

On time 75.4%
Arrived 15+ minutes late 22.2%
Cancelled 2.1%
Diverted 0.4%

Every scheduled departure from JAX in May 2025, judged by arrival at the destination.

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

Measure	May 2025	May 2024	JAX, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	77.4%	74.8%	78.0%	76.7%
Arrived on time	75.4%	72.3%	78.3%	75.4%
Cancelled	2.1%	1.5%	1.8%	1.0%
Average departure delay (late minutes only)	17.8 min	21.3 min	18.1 min	17.5 min
Scheduled departures a day	83	91	80	20,188
Scheduled departures	2,483	2,741	29,091	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	666	27%	74.3%	9.2 min	2.0%
DL Delta Air Lines	457	18%	80.1%	6.4 min	0.7%
WN Southwest Airlines	398	16%	81.7%	3.7 min	2.8%
UA United Airlines	335	13%	69.0%	21.3 min	3.0%
YX Republic Airline	142	6%	70.4%	8.3 min	2.8%
B6 JetBlue Airways	140	6%	67.9%	23.3 min	2.1%
MQ Envoy Air	118	5%	84.7%	4.4 min	0.8%
G4 Allegiant Air	99	4%	76.8%	14.9 min	2.0%
OO SkyWest Airlines	61	2%	65.6%	19.5 min	1.6%
F9 Frontier Airlines	39	2%	64.1%	23.6 min	2.6%
OH PSA Airlines	28	1%	64.3%	7.9 min	7.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JAX–ATL	Jacksonville to Atlanta	346	81.2%	5.4 min	0.3%
JAX–CLT	Jacksonville to Charlotte	210	74.8%	8.6 min	1.9%
JAX–DFW	Jacksonville to Dallas/Fort Worth	157	71.3%	11.4 min	3.2%
JAX–ORD	Jacksonville to Chicago	155	84.5%	0.1 min	0.0%
JAX–MIA	Jacksonville to Miami	146	71.9%	16.3 min	1.4%
JAX–PHL	Jacksonville to Philadelphia	145	75.9%	4.3 min	2.8%
JAX–BOS	Jacksonville to Boston	141	63.1%	16.2 min	2.1%
JAX–BWI	Jacksonville to Baltimore	124	82.3%	3.6 min	1.6%
JAX–JFK	Jacksonville to New York	117	66.7%	28.5 min	2.6%
JAX–DCA	Jacksonville to Washington	111	81.1%	3.6 min	0.9%
JAX–BNA	Jacksonville to Nashville	96	86.5%	1.4 min	3.1%
JAX–EWR	Jacksonville to Newark	93	41.9%	67.4 min	9.7%

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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	21.4%	29.3%	8,972
Late-arriving aircraft	40.1%	37.8%	16,836
National Aviation System	29.2%	25.9%	12,268
Extreme weather	9.4%	6.9%	3,938
Security	0.0%	0.1%	0

42,014 delay minutes on 550 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 2025?

77.4% of 2,483 scheduled domestic departures left less than 15 minutes late, and 75.4% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 74.8% of 2,741 departures left on time and 1.5% were cancelled, against 77.4% and 2.1% in May 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; 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.