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

Boston, MA (BOS) to New York, NY (JFK) flight delay odds

72.0% of 5,738 official scheduled BOS-to-JFK flights arrived on time; 17.0% arrived at least 30 minutes late and 4.5% 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 SIGNALHigher disruption
72.0%arrived on time
17.0%30+ min late
4.5%cancelled
5,738scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.8%all scheduled flights
120+ minutes late3.8%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+8.6 mincompleted flights

Which departure time was most reliable for BOS to JFK?

Among qualifying BOS-to-JFK departure window results, Early morning had the highest on-time rate: 88.7% of 1,498 flights. Evening was lowest at 56.1% across 1,692 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,49888.7%4.7%2.7%
Late morning99882.3%10.5%2.7%
Afternoon1,46467.1%20.2%4.6%
Evening1,69256.1%28.8%7.1%
Night8659.3%22.1%7.0%

Which weekday was most reliable for BOS to JFK?

Among qualifying BOS-to-JFK weekday results, Wednesday had the highest on-time rate: 78.2% of 821 flights. Sunday was lowest at 66.2% across 814 flights.

DayFlightsOn time30+ minCancelled
Monday81568.5%16.6%8.1%
Tuesday83273.4%16.5%4.2%
Wednesday82178.2%12.9%3.3%
Thursday80668.1%20.7%4.2%
Friday80974.8%16.7%2.2%
Saturday84174.8%15.0%3.1%
Sunday81466.2%21.0%6.8%

Which airline was most reliable for BOS to JFK?

Among qualifying BOS-to-JFK airline results, Delta Air Lines had the highest on-time rate: 88.0% of 368 flights. JetBlue Airways was lowest at 70.5% across 2,455 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways2,91571.3%17.1%5.0%
JetBlue Airways2,45570.5%18.8%4.2%
Delta Air Lines36888.0%4.6%3.0%

Which month was most reliable for BOS to JFK?

Among qualifying BOS-to-JFK month results, August 2025 had the highest on-time rate: 80.6% of 500 flights. July 2025 was lowest at 60.4% across 493 flights.

MonthFlightsOn time30+ minCancelled
July 202549360.4%25.6%10.1%
August 202550080.6%13.6%1.2%
September 202554577.2%13.8%2.6%
October 202555275.7%14.7%3.3%
November 202544772.7%13.6%6.5%
December 202543067.9%20.9%4.0%
January 202648268.9%16.2%8.9%
February 202646564.9%19.1%9.2%
March 202651767.7%20.3%2.1%
April 202644078.4%14.3%0.0%
May 202643779.2%13.3%1.6%
June 202643070.0%19.3%5.3%

What drove BOS to JFK delay minutes?

Late aircraft was the largest recorded BOS-to-JFK delay category, accounting for 39.6% of 97,874 BTS-attributed delay minutes during July 2025–June 2026.

Airline22.1%
Late aircraft39.6%
National airspace35.9%
Weather2.0%
Security0.3%
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.