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Route · JAX → MIA · 2020–2025 BTS data

Jacksonville to Miami

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

Data updated 2026-06-13

81.2%
On-time
+2.2 pts
vs US avg
83 min
Delay when late
9,519
Flights

Cancelled

1.9%

Best Month

Nov 2024 92%

Worst Month

Jun 2024 62%

Distance

335 mi

Carriers

11

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 135 20 0 0 YX,AA,MQ
Nov 2025 148 16 6 0 MQ,AA,YX
Oct 2025 140 35 0 0 AA,YX,MQ
Sep 2025 118 21 0 0 MQ,YX,AA
Aug 2025 130 26 0 0 AA,YX,MQ
Jul 2025 157 41 4 0 AA,MQ
Jun 2025 154 46 3 0 AA,MQ
May 2025 146 39 2 0 AA,MQ
Apr 2025 152 26 2 1 MQ,AA
Mar 2025 187 38 1 0 AA,MQ
Feb 2025 168 24 1 0 AA,YX,MQ
Jan 2025 184 27 5 0 AA,YX,MQ
Dec 2024 162 23 1 0 AA,MQ
Nov 2024 154 13 0 0 MQ,YX,AA
Oct 2024 148 24 5 0 MQ,AA
Sep 2024 149 30 4 1 AA,MQ
Aug 2024 148 49 13 1 AA,MQ
Jul 2024 155 57 4 0 AA,MQ
Jun 2024 154 58 10 0 AA,MQ
May 2024 180 55 1 0 AA,MQ
Apr 2024 167 22 0 1 AA,MQ
Mar 2024 177 36 8 0 AA,MQ,YX
Feb 2024 143 24 0 0 AA,MQ,YX
Jan 2024 162 35 2 0 AA,MQ,YX

Cancellation Rate

1.9%

72 of 3,718 flights

Diversion Rate

0.1%

4 of 3,718 flights

What the Data Says About JAX to MIA

9,519 tracked flights put the JAX to MIA pairing (Jacksonville to Miami) at a 81.2% on-time rate, squarely in line with the wider network. Delays that do occur run 82.5 minutes on average. Across the 335-mile route and its 11 carriers, the trailing 24 months show 1.9% cancelled and 0.1% diverted (3,718 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 92% on-time, while Jun 2024 came in at just 62% - a 29-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from JAX to MIA?
Flights from Jacksonville to Miami have a 81.2% on-time rate based on 9,519 flights. The average delay is 82.5 minutes. The best recent month was Nov 2024 with 92% on-time.
What is the cancellation rate for JAX to MIA?
Over the last 24 months, 1.9% of flights on this route were cancelled (72 of 3,718 flights) and 0.1% were diverted.
How far is the flight from JAX to MIA?
The flight distance from Jacksonville (JAX) to Miami (MIA) is approximately 335 miles. This route is served by 11 carriers.
When is the best time to fly from JAX to MIA?
The best recent month for on-time performance was Nov 2024 (92% on-time). The worst was Jun 2024 (62% 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.