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

Buffalo, NY (BUF) departure reliability

Of 20,738 scheduled reportable flights departing BUF, 75.7% arrived on time, 14.2% arrived at least 30 minutes late, and 2.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
75.7%arrived on time
14.2%30+ min late
2.5%cancelled
20,738scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
MOST-FLOWN DIRECTIONS

Which route from BUF had the largest sample?

BUF to ORD was BUF's largest published route sample, with 2,196 scheduled flights and a 71.8% on-time rate during July 2025–June 2026.

ALL ROUTES →

Which airline was most reliable departing BUF?

Among qualifying BUF airline departure results, Delta Air Lines had the highest on-time rate: 82.3% of 1,787 flights. PSA Airlines was lowest at 61.9% across 907 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines5,54978.8%11.0%1.1%
JetBlue Airways3,43974.0%16.4%3.0%
Republic Airways3,31176.4%13.1%4.3%
American Airlines2,25276.5%14.1%2.2%
Delta Air Lines1,78782.3%9.3%1.9%
United Airlines1,03177.8%12.1%1.2%
SkyWest Airlines97171.0%19.2%3.1%
PSA Airlines90761.9%24.1%5.5%
Frontier Airlines83870.3%20.5%2.0%
Envoy Air65363.9%21.7%4.4%
Origin report, not airport-wide operations.

These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.