PlainFlights

Route · JFK → MIA · 2020–2025 BTS data

New York to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JFK to MIA (New York to Miami) ranks #116 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.6%
On-time
-3.4 pts
vs US avg
78 min
Delay when late
30,546
Flights
#116 of 4927
Corpus placement

Cancelled

1.8%

Best Month

Oct 2024 89%

Worst Month

Jun 2025 64%

Distance

1,089 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 396 107 14 0 DL,F9,AA
Nov 2025 405 81 9 0 F9,AA,DL
Oct 2025 372 103 4 0 AA,DL,F9
Sep 2025 359 72 1 2 DL,F9,AA
Aug 2025 375 91 5 2 AA,F9,DL
Jul 2025 397 133 28 4 AA,DL,F9
Jun 2025 414 151 15 2 AA,B6,DL,F9
May 2025 463 113 4 0 AA,B6,DL,F9
Apr 2025 489 101 5 2 DL,F9,AA,B6
Mar 2025 481 123 4 3 AA,B6,DL,F9
Feb 2025 432 114 6 1 AA,B6,DL
Jan 2025 451 118 2 1 AA,B6,DL
Dec 2024 449 156 2 0 AA,B6,DL
Nov 2024 447 51 0 0 B6,YX,DL,AA
Oct 2024 434 48 2 1 DL,YX,B6,AA
Sep 2024 409 70 1 1 AA,B6,DL
Aug 2024 430 139 26 9 AA,B6,DL
Jul 2024 433 133 12 2 AA,B6,DL
Jun 2024 432 115 20 1 AA,B6,DL
May 2024 469 101 4 3 AA,B6,DL
Apr 2024 497 95 6 0 AA,B6,DL
Mar 2024 531 145 12 3 AA,B6,DL
Feb 2024 471 101 4 2 AA,B6,DL
Jan 2024 471 135 6 0 AA,B6,DL

JFK–MIA seasonal on-time pattern

Best: May (80.8%) · weakest: June (68.9%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 74%

Strongest calendar month

May

80.8% on-time · ~439 flights/mo

Busiest calendar month

March

~467 flights/mo avg

Weakest calendar month

June

68.9% on-time · ~407 flights/mo

Cancellation Rate

1.8%

192 of 10,507 flights

Diversion Rate

0.4%

39 of 10,507 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

JFK - New York

Full on-time, delay-cause, and seasonal performance for New York, NY.

JFK on-time profile

MIA - Miami

Full on-time, delay-cause, and seasonal performance for Miami, FL.

MIA on-time profile

Compare the two airports

See JFK and MIA side by side on delays, cancellations, and reliability.

Compare JFK vs MIA

Origin-hub reliability standing

Mid-pack among JFK departures

From JFK, this corridor sits with 50 other 75–85% on-time routes out of 66 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 13 below 75%). Destination: Miami · fleet on-time rank #4378 of 4927.

What the Data Says About JFK to MIA

The New York to Miami corridor (JFK to MIA) posts a 75.6% on-time rate on the lower edge of the average band, based on 30,546 tracked flights. Late flights run 78.4 minutes behind on average. 16 carriers cover the 1,089-mile route; over the last 24 months, 192 of 10,507 flights were cancelled (1.8%) and 0.4% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jun 2025 came in at just 64% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, JFK–MIA peaks in May at 80.8% on-time while March carries the heaviest traffic (~467 flights per month) ; the softest month is June at 68.9%, a 11.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does JFK to MIA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, JFK to MIA ranks #116 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 JFK to MIA? ▼
Flights from New York to Miami have a 75.6% on-time rate based on 30,546 flights. The average delay is 78.4 minutes. The best recent month was Oct 2024 with 89% on-time.
What is the cancellation rate for JFK to MIA? ▼
Over the last 24 months, 1.8% of flights on this route were cancelled (192 of 10,507 flights) and 0.4% were diverted.
How far is the flight from JFK to MIA? ▼
The flight distance from New York (JFK) to Miami (MIA) is approximately 1,089 miles. This route is served by 16 carriers.
When is the best time to fly from JFK to MIA? ▼
The best recent month for on-time performance was Oct 2024 (89% on-time). The worst was Jun 2025 (64% on-time). Consider booking during months with historically better performance.

Airports on this route

JFK Airport

New York
MIA Airport

Miami
Data source

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

Read our methodology - how this data is sourced, computed, and verified.

Using JFK–MIA data

JFK–MIA is mid-pack at 75.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare JFK and MIA airport profiles: delay causes and top routes differ even on the same corridor. JFK airport
  • If your dates flex, May (80.8% on-time) beats June (68.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.6% 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.