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

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

Historically, 69.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,555 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.