FlightRecord

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

Data through July 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 80 departures a day to 45 destinations.

Departures on-time
80%
left <15 min late
Avg dep delay
18 min
Arrivals on-time
75%
Cancelled
2.0%
Destinations
45
nonstop
Airlines
12

Plan your departure from JAX

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 5 a.m.
95% on-time
Best day to fly
Wednesday
84% on-time
Most reliable airline here
Endeavor Air
88% on-time from JAX
Cancellation risk
2.0%
above the US average

Monthly on-time trend

Monthly departure on-time percentage at JAX50%75%100%August 2024: 77% on-time (2,492 flights)77Aug 2024September 2024: 87% on-time (2,364 flights)87October 2024: 89% on-time (2,586 flights)89November 2024: 88% on-time (2,519 flights)88Nov 2024December 2024: 80% on-time (2,610 flights)80January 2025: 83% on-time (2,238 flights)83February 2025: 83% on-time (2,098 flights)83Feb 2025March 2025: 82% on-time (2,457 flights)82April 2025: 82% on-time (2,358 flights)82May 2025: 79% on-time (2,483 flights)79May 2025June 2025: 73% on-time (2,421 flights)73July 2025: 70% on-time (2,497 flights)70August 2025: 76% on-time (2,292 flights)76Aug 2025September 2025: 85% on-time (2,063 flights)85October 2025: 83% on-time (2,439 flights)83November 2025: 83% on-time (2,431 flights)83Nov 2025December 2025: 77% on-time (2,545 flights)77January 2026: 83% on-time (2,156 flights)83February 2026: 83% on-time (2,023 flights)83Feb 2026March 2026: 76% on-time (2,545 flights)76April 2026: 84% on-time (2,487 flights)84May 2026: 80% on-time (2,744 flights)80May 2026June 2026: 76% on-time (2,646 flights)76July 2026: 71% on-time (2,720 flights)71

Best time of day to depart from JAX

On-time percentage by scheduled departure hour at JAX5 a.m.: 95% on-time (1,955 flights)56 a.m.: 92% on-time (5,729 flights)67 a.m.: 92% on-time (6,351 flights)78 a.m.: 91% on-time (3,791 flights)89 a.m.: 89% on-time (3,233 flights)910 a.m.: 85% on-time (2,849 flights)1011 a.m.: 84% on-time (6,010 flights)1112 p.m.: 78% on-time (3,203 flights)121 p.m.: 79% on-time (2,448 flights)132 p.m.: 74% on-time (3,515 flights)143 p.m.: 70% on-time (2,850 flights)154 p.m.: 69% on-time (3,739 flights)165 p.m.: 68% on-time (4,100 flights)176 p.m.: 69% on-time (4,021 flights)187 p.m.: 66% on-time (4,339 flights)198 p.m.: 61% on-time (1,907 flights)209 p.m.: 58% on-time (649 flights)2110 p.m.: 67% on-time (137 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday78%20 min
Tuesday83%15 min
Wednesdaybest84%13 min
Thursday79%17 min
Friday79%20 min
Saturday81%18 min
Sunday75%23 min

Next: compare the busiest routes from JAX ↓

Busiest routes from JAX

Compare airlines departing JAX ↓

Where flights into JAX come from

RouteFlights/12moOn-timeAvg delay
ATL (Atlanta) → JAX4,04574%16 min
ORD (Chicago) → JAX2,11675%18 min
CLT (Charlotte) → JAX1,93975%18 min
DFW (Dallas/Fort Worth) → JAX1,83466%25 min
BOS (Boston) → JAX1,61075%18 min
PHL (Philadelphia) → JAX1,56476%19 min
MIA (Miami) → JAX1,49475%19 min
DCA (Washington) → JAX1,46277%18 min

Most reliable routes

  1. JAX → HOU88%
  2. JAX → IAH87%
  3. JAX → IAD86%
  4. JAX → STL86%
  5. JAX → PHX86%

Most delay-prone routes

  1. JAX → CVG64%
  2. JAX → GRR65%
  3. JAX → DAL69%
  4. JAX → CAK70%
  5. JAX → SJU72%

What causes delays at JAX

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing JAX.

  • Late-arriving aircraft43%
  • Airline operations32%
  • National airspace system20%
  • Weather5%

Alternative airports near Jacksonville

Other airports within 120 miles, compared on departure reliability.

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at JAX

AirlineOn-time departuresAvg delayFlights
Endeavor Air88%13 min402
United Airlines85%16 min7,972
Envoy Air85%10 min2,361
Republic Airways83%15 min4,624
Delta Air Lines81%16 min11,263
SkyWest Airlines80%23 min817
American Airlines79%21 min14,924
PSA Airlines78%28 min1,551
Southwest Airlines78%13 min9,814
JetBlue Airways74%23 min3,716
Frontier Airlines71%28 min1,372
Allegiant Air71%32 min2,010

Frequently asked questions

How often are flights delayed at JAX?
20% of departures from Jacksonville International Airport left 15+ minutes late between 2024-07 and 2026-07, 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 58% 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?
2% of scheduled departures from JAX were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 60,826 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.