PlainFlights

Route · MIA → JAX · 2020–2025 BTS data

Miami to Jacksonville

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MIA to JAX (Miami to Jacksonville) ranks #1237 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.2%
On-time
-0.8 pts
vs US avg
75 min
Delay when late
9,523
Flights
#1237 of 4927
Corpus placement

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

MIA–JAX seasonal on-time pattern

Best: November (83.6%) · weakest: June (65.6%)

60%65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 79.8%

Strongest calendar month

November

83.6% on-time · ~143 flights/mo

Busiest calendar month

March

~160 flights/mo avg

Weakest calendar month

June

65.6% on-time · ~129 flights/mo

Cancellation Rate

1.9%

69 of 3,722 flights

Diversion Rate

0.1%

2 of 3,722 flights

Origin-hub reliability standing

Mid-pack among MIA departures

From MIA, this corridor sits with 37 other 75–85% on-time routes out of 63 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 25 below 75%). Destination: Jacksonville · fleet on-time rank #3782 of 4927.

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.

On the multi-year calendar, MIA–JAX peaks in November at 83.6% on-time while March carries the heaviest traffic (~160 flights per month) ; the softest month is June at 65.6%, a 18.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MIA to JAX rank among US routes by traffic?
According to PlainFlights' route traffic ranking, MIA to JAX ranks #1237 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
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.

Airports on this route

Data source

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

Using MIA–JAX data

MIA–JAX is mid-pack at 78.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare MIA and JAX airport profiles: delay causes and top routes differ even on the same corridor. MIA airport
  • If your dates flex, November (83.6% on-time) beats June (65.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

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

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.