Jacksonville International in August 2025

74.9%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 August 2025, reporting carriers scheduled 2,292 domestic departures from Jacksonville International (JAX). 74.9% left less than 15 minutes late and 75.6% reached their destination on time; 1.3% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so JAX departures were 1.9 points below the national departure figure.

A year earlier, in August 2024, the airport had 2,492 departures with 74.0% leaving on time: a change of +0.9 points, with flights down 8%.

Flights arriving at JAX that month were on time 71.0% of the time (2,290 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 29% and national aviation system 19%.

On time 75.6%
Arrived 15+ minutes late 22.9%
Cancelled 1.3%
Diverted 0.2%

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

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

Measure	Aug 2025	Aug 2024	JAX, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	74.9%	74.0%	78.0%	76.8%
Arrived on time	75.6%	73.4%	78.3%	76.3%
Cancelled	1.3%	4.1%	1.8%	1.1%
Average departure delay (late minutes only)	22.5 min	21.5 min	18.1 min	17.6 min
Scheduled departures a day	76	83	80	20,079
Scheduled departures	2,292	2,492	29,091	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	676	29%	68.6%	21.7 min	1.6%
DL Delta Air Lines	432	19%	81.0%	7.7 min	0.9%
WN Southwest Airlines	369	16%	83.2%	2.9 min	0.3%
UA United Airlines	249	11%	81.9%	4.3 min	1.2%
YX Republic Airline	148	6%	80.4%	11.0 min	1.4%
B6 JetBlue Airways	116	5%	74.1%	8.1 min	2.6%
G4 Allegiant Air	88	4%	68.2%	42.4 min	0.0%
F9 Frontier Airlines	57	2%	70.2%	11.5 min	3.5%
MQ Envoy Air	57	2%	77.2%	11.1 min	0.0%
OO SkyWest Airlines	52	2%	65.4%	31.4 min	1.9%
OH PSA Airlines	48	2%	52.1%	41.0 min	4.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JAX–ATL	Jacksonville to Atlanta	323	80.5%	9.4 min	1.2%
JAX–CLT	Jacksonville to Charlotte	187	70.6%	13.4 min	0.5%
JAX–ORD	Jacksonville to Chicago	155	71.0%	25.5 min	2.6%
JAX–DFW	Jacksonville to Dallas/Fort Worth	148	59.5%	24.0 min	2.7%
JAX–PHL	Jacksonville to Philadelphia	146	66.4%	20.6 min	2.7%
JAX–BOS	Jacksonville to Boston	134	82.1%	-0.1 min	1.5%
JAX–MIA	Jacksonville to Miami	130	80.0%	11.4 min	0.0%
JAX–EWR	Jacksonville to Newark	120	68.3%	22.8 min	1.7%
JAX–DCA	Jacksonville to Washington	119	66.4%	14.9 min	1.7%
JAX–BWI	Jacksonville to Baltimore	111	80.2%	10.0 min	0.0%
JAX–JFK	Jacksonville to New York	93	73.1%	13.5 min	2.2%
JAX–BNA	Jacksonville to Nashville	91	87.9%	-5.3 min	1.1%

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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	28.8%	33.1%	14,101
Late-arriving aircraft	43.4%	40.5%	21,239
National Aviation System	18.6%	19.2%	9,111
Extreme weather	9.2%	7.0%	4,528
Security	0.0%	0.1%	0

48,979 delay minutes on 526 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 August 2025?

74.9% of 2,292 scheduled domestic departures left less than 15 minutes late, and 75.6% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 74.0% of 2,492 departures left on time and 4.1% were cancelled, against 74.9% and 1.3% in August 2025.

Provenance

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