Jacksonville International in December 2025

75.9%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 December 2025, reporting carriers scheduled 2,545 domestic departures from Jacksonville International (JAX). 75.9% left less than 15 minutes late and 77.2% reached their destination on time; 1.7% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so JAX departures were 3.9 points above the national departure figure.

A year earlier, in December 2024, the airport had 2,610 departures with 78.9% leaving on time: a change of −3.0 points, with flights down 2%.

Flights arriving at JAX that month were on time 71.0% of the time (2,547 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 54%, air carrier 29% and national aviation system 16%.

On time 77.2%
Arrived 15+ minutes late 21.1%
Cancelled 1.7%
Diverted 0.0%

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

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

Measure	Dec 2025	Dec 2024	JAX, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	75.9%	78.9%	78.0%	72.0%
Arrived on time	77.2%	78.1%	78.3%	71.9%
Cancelled	1.7%	0.7%	1.8%	1.5%
Average departure delay (late minutes only)	18.6 min	15.0 min	18.1 min	21.2 min
Scheduled departures a day	85	87	80	19,410
Scheduled departures	2,545	2,610	29,091	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	526	21%	80.8%	6.9 min	0.4%
DL Delta Air Lines	466	18%	78.8%	7.2 min	3.4%
WN Southwest Airlines	435	17%	80.0%	6.1 min	0.2%
UA United Airlines	338	13%	80.8%	5.1 min	0.6%
YX Republic Airline	196	8%	78.6%	7.1 min	2.0%
B6 JetBlue Airways	147	6%	59.9%	18.0 min	7.5%
MQ Envoy Air	120	5%	79.2%	8.8 min	0.0%
OH PSA Airlines	116	5%	67.2%	23.4 min	3.4%
G4 Allegiant Air	104	4%	68.3%	18.8 min	1.0%
F9 Frontier Airlines	66	3%	63.6%	17.6 min	3.0%
OO SkyWest Airlines	31	1%	77.4%	15.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JAX–ATL	Jacksonville to Atlanta	336	82.4%	3.0 min	2.7%
JAX–ORD	Jacksonville to Chicago	166	72.3%	19.0 min	0.6%
JAX–DFW	Jacksonville to Dallas/Fort Worth	160	78.8%	15.5 min	0.0%
JAX–CLT	Jacksonville to Charlotte	152	82.9%	0.0 min	0.7%
JAX–BOS	Jacksonville to Boston	143	74.1%	12.4 min	2.1%
JAX–MIA	Jacksonville to Miami	135	85.2%	3.4 min	0.0%
JAX–BWI	Jacksonville to Baltimore	134	79.9%	4.8 min	0.7%
JAX–JFK	Jacksonville to New York	134	59.0%	28.1 min	8.2%
JAX–DCA	Jacksonville to Washington	131	66.4%	19.0 min	2.3%
JAX–EWR	Jacksonville to Newark	124	73.4%	7.8 min	1.6%
JAX–PHL	Jacksonville to Philadelphia	119	74.8%	13.0 min	2.5%
JAX–BNA	Jacksonville to Nashville	100	84.0%	7.0 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	29.1%	33.3%	12,227
Late-arriving aircraft	54.1%	41.1%	22,767
National Aviation System	15.6%	19.1%	6,580
Extreme weather	1.1%	6.4%	479
Security	0.0%	0.2%	7

42,060 delay minutes on 536 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 December 2025?

75.9% of 2,545 scheduled domestic departures left less than 15 minutes late, and 77.2% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 78.9% of 2,610 departures left on time and 0.7% were cancelled, against 75.9% and 1.7% in December 2025.

Provenance

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