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

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

71.3% of 1,835 official scheduled LGA-to-BUF flights arrived on time; 15.9% arrived at least 30 minutes late and 6.2% 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
71.3%arrived on time
15.9%30+ min late
6.2%cancelled
1,835scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.0%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+7.1 mincompleted flights

Which departure time was most reliable for LGA to BUF?

Among qualifying LGA-to-BUF departure window results, Early morning had the highest on-time rate: 85.1% of 114 flights. Night was lowest at 59.4% across 384 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning11485.1%7.9%3.5%
Late morning37278.5%11.6%3.2%
Afternoon73272.8%14.8%4.9%
Evening23368.2%18.9%8.2%
Night38459.4%22.7%10.9%

Which weekday was most reliable for LGA to BUF?

Among qualifying LGA-to-BUF weekday results, Saturday had the highest on-time rate: 84.4% of 173 flights. Sunday was lowest at 61.2% across 255 flights.

DayFlightsOn time30+ minCancelled
Monday27967.7%17.9%10.4%
Tuesday28772.8%16.0%6.6%
Wednesday28073.6%13.6%4.6%
Thursday27968.8%19.7%5.0%
Friday28274.8%13.1%4.6%
Saturday17384.4%7.5%1.7%
Sunday25561.2%20.4%8.6%

Which airline was most reliable for LGA to BUF?

Only Republic Airways met the LGA-to-BUF airline threshold: 71.3% of 1,835 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways1,83571.3%15.9%6.2%

Which month was most reliable for LGA to BUF?

Among qualifying LGA-to-BUF month results, September 2025 had the highest on-time rate: 86.8% of 190 flights. December 2025 was lowest at 56.1% across 132 flights.

MonthFlightsOn time30+ minCancelled
July 202517062.4%16.5%15.9%
August 202518384.2%10.4%1.1%
September 202519086.8%8.4%2.1%
October 202518064.4%19.4%3.3%
November 202514464.6%23.6%5.6%
December 202513256.1%25.0%9.8%
January 202614571.7%13.1%6.9%
February 202614271.8%15.5%9.2%
March 202615261.8%18.4%11.8%
April 202612672.2%19.0%0.8%
May 202615476.0%12.3%2.6%
June 202611779.5%12.0%6.0%

What drove LGA to BUF delay minutes?

Late aircraft was the largest recorded LGA-to-BUF delay category, accounting for 49.5% of 28,209 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.1%
Late aircraft49.5%
National airspace20.7%
Weather9.5%
Security0.1%
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.