Jacksonville International in September 2025

84.9%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 September 2025, reporting carriers scheduled 2,063 domestic departures from Jacksonville International (JAX). 84.9% left less than 15 minutes late and 84.4% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so JAX departures were 1.8 points above the national departure figure.

A year earlier, in September 2024, the airport had 2,364 departures with 85.3% leaving on time: a change of −0.4 points, with flights down 13%.

Flights arriving at JAX that month were on time 80.8% of the time (2,061 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 34% and national aviation system 27%.

On time 84.4%
Arrived 15+ minutes late 14.9%
Cancelled 0.5%
Diverted 0.1%

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

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

Measure	Sep 2025	Sep 2024	JAX, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	84.9%	85.3%	78.0%	83.1%
Arrived on time	84.4%	83.4%	78.3%	82.8%
Cancelled	0.5%	2.1%	1.8%	0.5%
Average departure delay (late minutes only)	12.1 min	9.9 min	18.1 min	12.2 min
Scheduled departures a day	69	79	80	18,748
Scheduled departures	2,063	2,364	29,091	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	554	27%	82.9%	5.1 min	0.7%
DL Delta Air Lines	410	20%	91.5%	-3.4 min	0.2%
WN Southwest Airlines	356	17%	88.5%	-3.3 min	0.0%
UA United Airlines	260	13%	87.7%	-6.3 min	0.4%
YX Republic Airline	133	6%	73.7%	7.8 min	1.5%
B6 JetBlue Airways	130	6%	60.8%	9.3 min	1.5%
MQ Envoy Air	89	4%	77.5%	11.4 min	0.0%
G4 Allegiant Air	45	2%	91.1%	-9.0 min	0.0%
OH PSA Airlines	31	2%	87.1%	-11.3 min	0.0%
OO SkyWest Airlines	30	1%	93.3%	-0.8 min	0.0%
F9 Frontier Airlines	25	1%	92.0%	-1.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JAX–ATL	Jacksonville to Atlanta	303	93.1%	-0.9 min	0.0%
JAX–ORD	Jacksonville to Chicago	146	82.2%	-2.3 min	0.0%
JAX–DFW	Jacksonville to Dallas/Fort Worth	127	82.7%	24.3 min	2.4%
JAX–BOS	Jacksonville to Boston	125	52.8%	23.1 min	1.6%
JAX–CLT	Jacksonville to Charlotte	125	86.4%	-5.9 min	0.0%
JAX–MIA	Jacksonville to Miami	118	82.2%	6.3 min	0.0%
JAX–PHL	Jacksonville to Philadelphia	117	85.5%	-5.2 min	0.0%
JAX–DCA	Jacksonville to Washington	116	74.1%	11.1 min	0.0%
JAX–JFK	Jacksonville to New York	112	75.9%	-2.1 min	1.8%
JAX–BWI	Jacksonville to Baltimore	107	92.5%	-5.8 min	0.0%
JAX–EWR	Jacksonville to Newark	87	88.5%	-3.7 min	1.1%
JAX–BNA	Jacksonville to Nashville	86	91.9%	-2.9 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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	38.7%	34.3%	8,771
Late-arriving aircraft	34.2%	37.4%	7,746
National Aviation System	26.5%	22.6%	5,990
Extreme weather	0.5%	5.6%	109
Security	0.1%	0.1%	20

22,636 delay minutes on 308 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 September 2025?

84.9% of 2,063 scheduled domestic departures left less than 15 minutes late, and 84.4% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 85.3% of 2,364 departures left on time and 2.1% were cancelled, against 84.9% and 0.5% in September 2025.

Provenance

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