FlightRecord

Jacksonville International Airport (JAX): Delays & On-Time Performance

Data through May 2026

Jacksonville International Airport (JAX) is a tale of two seasons: departures ran 89% on-time in October 2024 but sank to 69% in July 2024. Across the year it averages 80% against a national 78%, over roughly 78 departures a day to 45 destinations.

Departures on-time
80%
left <15 min late
Avg dep delay
18 min
Arrivals on-time
76%
Cancelled
1.9%
Destinations
45
nonstop
Airlines
12

Monthly on-time trend

Monthly departure on-time percentage at JAX50%75%100%June 2024: 77% on-time (2,575 flights)77Jun 2024July 2024: 69% on-time (2,612 flights)69August 2024: 77% on-time (2,492 flights)77September 2024: 87% on-time (2,364 flights)87Sep 2024October 2024: 89% on-time (2,586 flights)89November 2024: 88% on-time (2,519 flights)88December 2024: 80% on-time (2,610 flights)80Dec 2024January 2025: 83% on-time (2,238 flights)83February 2025: 83% on-time (2,098 flights)83March 2025: 82% on-time (2,457 flights)82Mar 2025April 2025: 82% on-time (2,358 flights)82May 2025: 79% on-time (2,483 flights)79June 2025: 73% on-time (2,421 flights)73Jun 2025July 2025: 70% on-time (2,497 flights)70August 2025: 76% on-time (2,292 flights)76September 2025: 85% on-time (2,063 flights)85Sep 2025October 2025: 83% on-time (2,439 flights)83November 2025: 83% on-time (2,431 flights)83December 2025: 77% on-time (2,545 flights)77Dec 2025January 2026: 83% on-time (2,156 flights)83February 2026: 83% on-time (2,023 flights)83March 2026: 76% on-time (2,545 flights)76Mar 2026April 2026: 84% on-time (2,487 flights)84May 2026: 80% on-time (2,744 flights)80

Best time of day to depart from JAX

On-time percentage by scheduled departure hour at JAX5 a.m.: 95% on-time (1,903 flights)56 a.m.: 92% on-time (5,375 flights)67 a.m.: 92% on-time (6,106 flights)78 a.m.: 91% on-time (3,687 flights)89 a.m.: 90% on-time (2,968 flights)910 a.m.: 85% on-time (2,809 flights)1011 a.m.: 85% on-time (5,675 flights)1112 p.m.: 78% on-time (3,298 flights)121 p.m.: 80% on-time (2,236 flights)132 p.m.: 75% on-time (3,274 flights)143 p.m.: 70% on-time (2,788 flights)154 p.m.: 69% on-time (3,566 flights)165 p.m.: 70% on-time (3,778 flights)176 p.m.: 70% on-time (3,888 flights)187 p.m.: 68% on-time (4,092 flights)198 p.m.: 61% on-time (1,816 flights)209 p.m.: 60% on-time (621 flights)2110 p.m.: 67% on-time (155 flights)22scheduled departure hour

Busiest routes from JAX

RouteFlights/12moOn-timeAvg delay
JAX → ATL3,99484%13 min
JAX → ORD2,00981%17 min
JAX → CLT2,00480%16 min
JAX → DFW1,84676%21 min
JAX → BOS1,60175%22 min
JAX → MIA1,55979%19 min
JAX → PHL1,54279%21 min
JAX → DCA1,46375%25 min

Most reliable routes

  1. JAX → HOU88%
  2. JAX → IAH88%
  3. JAX → DEN86%
  4. JAX → IAD86%
  5. JAX → STL86%

Most delay-prone routes

  1. JAX → GRR64%
  2. JAX → CVG65%
  3. JAX → DAL70%
  4. JAX → CAK71%
  5. JAX → PIT73%

Airline performance at JAX

AirlineOn-time departuresAvg delayFlights
Endeavor Air88%12 min495
United Airlines86%15 min7,594
Envoy Air85%11 min2,290
Republic Airways83%15 min4,299
SkyWest Airlines83%19 min651
Delta Air Lines81%16 min10,832
PSA Airlines79%27 min1,508
Southwest Airlines79%13 min9,369
American Airlines79%21 min14,343
JetBlue Airways73%22 min3,504
Frontier Airlines72%27 min1,304
Allegiant Air72%29 min1,846

Frequently asked questions

How often are flights delayed at JAX?
20% of departures from Jacksonville International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 18 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from JAX?
Flights scheduled around 5 a.m. depart on time 95% of the time at JAX, versus 60% around 9 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at JAX?
In this dataset, July 2024 was the weakest month at JAX, with 69% of departures on time.
How often are flights cancelled at JAX?
1.9% of scheduled departures from JAX were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 58,035 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.