On-Time Report

Airports › Buffalo (BUF) › November 2025

Airport month · November 2025

Buffalo Niagara International in November 2025

77.1%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In November 2025, reporting carriers scheduled 1,742 domestic departures from Buffalo Niagara International (BUF). 77.1% left less than 15 minutes late and 76.0% reached their destination on time; 2.5% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so BUF departures were 1.0 points below the national departure figure.

A year earlier, in November 2024, the airport had 1,758 departures with 88.4% leaving on time: a change of −11.3 points, with flights down 1%.

Flights arriving at BUF that month were on time 72.6% of the time (1,742 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, national aviation system 29% and air carrier 25%.

Every scheduled departure from BUF in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

MeasureNov 2025Nov 2024BUF, 12 months to Jul 2026All reported flights, Nov 2025
Departed on time77.1%88.4%75.6%78.1%
Arrived on time76.0%89.4%75.5%77.3%
Cancelled2.5%0.1%2.6%2.5%
Average departure delay (late minutes only)18.0 min8.4 min18.8 min15.6 min
Scheduled departures a day58595719,018
Scheduled departures1,7421,75820,726570,550

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines47327%82.2%1.1 min0.6%
B6 JetBlue Airways30417%76.0%9.7 min2.3%
YX Republic Airline23914%71.5%14.3 min4.2%
AA American Airlines17810%79.2%4.2 min1.1%
OO SkyWest Airlines1358%68.9%17.9 min7.4%
DL Delta Air Lines1197%81.5%-1.4 min2.5%
MQ Envoy Air835%73.5%5.1 min4.8%
OH PSA Airlines795%49.4%54.2 min5.1%
F9 Frontier Airlines704%70.0%21.3 min1.4%
UA United Airlines624%85.5%-2.5 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BUF–ORDBuffalo to Chicago18970.9%19.9 min5.3%
BUF–MCOBuffalo to Orlando15978.0%10.1 min0.6%
BUF–BWIBuffalo to Baltimore14487.5%-2.4 min0.0%
BUF–LGABuffalo to New York14470.1%14.2 min4.9%
BUF–JFKBuffalo to New York11772.6%8.0 min3.4%
BUF–DTWBuffalo to Detroit10880.6%5.4 min3.7%
BUF–ATLBuffalo to Atlanta10779.4%1.5 min2.8%
BUF–CLTBuffalo to Charlotte8885.2%1.3 min0.0%
BUF–DCABuffalo to Washington8848.9%39.4 min4.5%
BUF–BOSBuffalo to Boston8578.8%12.0 min0.0%
BUF–TPABuffalo to Tampa6080.0%6.6 min1.7%
BUF–EWRBuffalo to Newark5986.4%-11.1 min0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), November 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Nov 2025Minutes
Air carrier24.7%30.2%7,779
Late-arriving aircraft39.6%38.3%12,485
National Aviation System28.7%26.7%9,041
Extreme weather6.9%4.6%2,172
Security0.2%0.1%59
31,536 delay minutes on 374 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← October 2025December 2025 →

Questions and answers

How many flights left BUF on time in November 2025?

77.1% of 1,742 scheduled domestic departures left less than 15 minutes late, and 76.0% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 88.4% of 1,758 departures left on time and 0.1% were cancelled, against 77.1% and 2.5% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BUF · methodology · corrections.