BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MIA→JFK

Miami, FL (MIA) to New York, NY (JFK) flight delay odds

69.7% of 4,555 official scheduled MIA-to-JFK flights arrived on time; 19.3% arrived at least 30 minutes late and 2.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
69.7%arrived on time
19.3%30+ min late
2.8%cancelled
4,555scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.2%all scheduled flights
120+ minutes late5.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+14.7 mincompleted flights

Which departure time was most reliable for MIA to JFK?

Among qualifying MIA-to-JFK departure window results, Early morning had the highest on-time rate: 89.0% of 1,077 flights. Evening was lowest at 54.6% across 1,139 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,07789.0%5.3%1.9%
Late morning80076.9%13.0%2.5%
Afternoon1,07964.5%23.3%3.3%
Evening1,13954.6%30.4%3.4%
Night46061.7%26.1%3.0%

Which weekday was most reliable for MIA to JFK?

Among qualifying MIA-to-JFK weekday results, Wednesday had the highest on-time rate: 75.0% of 645 flights. Sunday was lowest at 58.0% across 657 flights.

DayFlightsOn time30+ minCancelled
Monday65467.9%18.3%5.7%
Tuesday66773.2%17.7%2.2%
Wednesday64575.0%16.1%1.2%
Thursday64771.4%19.2%1.4%
Friday65271.5%17.6%2.0%
Saturday63371.1%18.3%1.9%
Sunday65758.0%27.5%5.3%

Which airline was most reliable for MIA to JFK?

Among qualifying MIA-to-JFK airline results, Frontier Airlines had the highest on-time rate: 78.9% of 275 flights. American Airlines was lowest at 68.8% across 2,660 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines2,66068.8%20.3%2.7%
Delta Air Lines1,62069.6%18.6%3.2%
Frontier Airlines27578.9%13.1%2.2%

Which month was most reliable for MIA to JFK?

Among qualifying MIA-to-JFK month results, September 2025 had the highest on-time rate: 84.7% of 360 flights. July 2025 was lowest at 58.4% across 397 flights.

MonthFlightsOn time30+ minCancelled
July 202539758.4%29.0%6.8%
August 202537668.6%22.9%1.3%
September 202536084.7%10.8%0.3%
October 202537275.0%16.1%1.1%
November 202540873.0%16.7%2.0%
December 202539263.0%24.7%3.6%
January 202638263.9%19.9%7.1%
February 202633964.3%17.4%7.1%
March 202636368.0%17.9%2.5%
April 202640871.6%19.1%0.2%
May 202639875.9%15.1%1.0%
June 202636070.3%20.8%1.4%

What drove MIA to JFK delay minutes?

Late aircraft was the largest recorded MIA-to-JFK delay category, accounting for 37.3% of 101,315 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.7%
Late aircraft37.3%
National airspace24.8%
Weather6.9%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.