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Route · MIA → JAX · 2020–2025 BTS data

Miami to Jacksonville

The MIA–JAX corridor (Miami, FL → Jacksonville, FL) runs behind the national average, served by 11 carriers across roughly 335 miles.

Data updated 2026-06-13

78.2%
On-time
-0.8 pts
vs US avg
75 min
Delay when late
9,523
Flights

Cancelled

1.9%

Best Month

Nov 2025 87%

Worst Month

Jun 2024 55%

Distance

335 mi

Carriers

11

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 135 34 0 0 YX,AA,MQ
Nov 2025 148 19 6 0 MQ,AA,YX
Oct 2025 141 30 0 0 AA,YX,MQ
Sep 2025 118 28 0 0 MQ,YX,AA
Aug 2025 131 43 0 0 AA,YX,MQ
Jul 2025 156 53 3 1 AA,MQ
Jun 2025 154 56 2 0 AA,MQ
May 2025 146 35 2 1 AA,MQ
Apr 2025 154 26 2 0 MQ,AA
Mar 2025 187 38 1 0 AA,MQ
Feb 2025 168 32 1 0 AA,YX,MQ
Jan 2025 184 28 5 0 AA,YX,MQ
Dec 2024 161 25 1 0 AA,MQ
Nov 2024 154 23 0 0 MQ,YX,AA
Oct 2024 148 24 5 0 MQ,AA
Sep 2024 149 41 4 0 AA,MQ
Aug 2024 148 58 13 0 AA,MQ
Jul 2024 155 59 4 0 AA,MQ
Jun 2024 154 70 10 0 AA,MQ
May 2024 181 73 0 0 AA,MQ
Apr 2024 167 28 0 0 AA,MQ
Mar 2024 178 51 7 0 AA,MQ,YX
Feb 2024 143 38 0 0 AA,MQ,YX
Jan 2024 162 40 3 0 AA,MQ,YX

Cancellation Rate

1.9%

69 of 3,722 flights

Diversion Rate

0.1%

2 of 3,722 flights

What the Data Says About MIA to JAX

The Miami to Jacksonville corridor (MIA to JAX) posts a 78.2% on-time rate on the lower edge of the average band, based on 9,523 tracked flights. Late flights run 75.3 minutes behind on average. 11 carriers cover the 335-mile route; over the last 24 months, 69 of 3,722 flights were cancelled (1.9%) and 0.1% diverted.

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 87% on-time, while Jun 2024 came in at just 55% - a 33-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from MIA to JAX?
Flights from Miami to Jacksonville have a 78.2% on-time rate based on 9,523 flights. The average delay is 75.3 minutes. The best recent month was Nov 2025 with 87% on-time.
What is the cancellation rate for MIA to JAX?
Over the last 24 months, 1.9% of flights on this route were cancelled (69 of 3,722 flights) and 0.1% were diverted.
How far is the flight from MIA to JAX?
The flight distance from Miami (MIA) to Jacksonville (JAX) is approximately 335 miles. This route is served by 11 carriers.
When is the best time to fly from MIA to JAX?
The best recent month for on-time performance was Nov 2025 (87% on-time). The worst was Jun 2024 (55% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.