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

New York, NY (JFK) to Buffalo, NY (BUF) flight delay odds

71.5% of 1,218 official scheduled JFK-to-BUF flights arrived on time; 18.8% 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
71.5%arrived on time
18.8%30+ min late
4.5%cancelled
1,218scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.3%all scheduled flights
120+ minutes late5.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+13.8 mincompleted flights

Which departure time was most reliable for JFK to BUF?

Among qualifying JFK-to-BUF departure window results, Early morning had the highest on-time rate: 86.2% of 334 flights. Night was lowest at 56.1% across 187 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning33486.2%5.7%4.2%
Late morning13781.0%10.2%5.1%
Afternoon20572.2%18.5%3.9%
Evening35561.7%27.9%2.8%
Night18756.1%31.6%8.6%

Which weekday was most reliable for JFK to BUF?

Among qualifying JFK-to-BUF weekday results, Tuesday had the highest on-time rate: 76.6% of 171 flights. Sunday was lowest at 62.7% across 177 flights.

DayFlightsOn time30+ minCancelled
Monday17870.2%18.5%8.4%
Tuesday17176.6%13.5%2.9%
Wednesday16775.4%14.4%4.2%
Thursday17770.1%21.5%3.4%
Friday17372.3%19.7%2.3%
Saturday17573.7%17.1%3.4%
Sunday17762.7%26.6%6.8%

Which airline was most reliable for JFK to BUF?

Only JetBlue Airways met the JFK-to-BUF airline threshold: 71.5% of 1,218 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways1,21871.5%18.8%4.5%

Which month was most reliable for JFK to BUF?

Among qualifying JFK-to-BUF month results, April 2026 had the highest on-time rate: 90.3% of 62 flights. December 2025 was lowest at 56.3% across 103 flights.

MonthFlightsOn time30+ minCancelled
July 202512458.1%23.4%12.9%
August 202511675.0%21.6%0.9%
September 202512080.0%13.3%0.8%
October 202513677.2%14.7%1.5%
November 202511865.3%24.6%3.4%
December 202510356.3%31.1%7.8%
January 20266269.4%17.7%11.3%
February 20268159.3%23.5%12.3%
March 20267471.6%23.0%0.0%
April 20266290.3%6.5%0.0%
May 202610488.5%6.7%0.0%
June 202611871.2%16.9%5.1%

What drove JFK to BUF delay minutes?

Late aircraft was the largest recorded JFK-to-BUF delay category, accounting for 42.6% of 25,453 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.9%
Late aircraft42.6%
National airspace12.9%
Weather6.2%
Security0.4%
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.