On-Time Report

Airports › Buffalo (BUF) › April 2024

Airport month · April 2024

Buffalo Niagara International in April 2024

84.7%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 April 2024, reporting carriers scheduled 1,786 domestic departures from Buffalo Niagara International (BUF). 84.7% left less than 15 minutes late and 84.4% reached their destination on time; 0.7% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so BUF departures were 4.2 points above the national departure figure.

Flights arriving at BUF that month were on time 80.2% of the time (1,786 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, national aviation system 27% and air carrier 26%.

Every scheduled departure from BUF in April 2024, judged by arrival at the destination.

April 2024 against a year earlier, the airport's year and the nation

MeasureApr 2024Year earlierBUF, 12 months to Jul 2026All reported flights, Apr 2024
Departed on time84.7%—75.6%80.5%
Arrived on time84.4%—75.5%80.2%
Cancelled0.7%—2.6%0.7%
Average departure delay (late minutes only)11.8 min—18.8 min14.2 min
Scheduled departures a day60—5719,406
Scheduled departures1,786—20,726582,185

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines48627%80.0%2.8 min0.4%
B6 JetBlue Airways26615%82.3%-1.3 min1.1%
YX Republic Airline25314%85.8%4.2 min0.8%
9E Endeavor Air19211%92.7%-10.1 min1.0%
DL Delta Air Lines1669%90.4%-5.6 min0.6%
AA American Airlines1207%85.0%-2.5 min0.0%
F9 Frontier Airlines955%78.9%5.1 min1.1%
MQ Envoy Air804%93.8%-7.3 min0.0%
OO SkyWest Airlines684%75.0%29.1 min1.5%
UA United Airlines603%86.7%13.3 min1.7%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BUF–JFKBuffalo to New York23681.4%-0.7 min1.7%
BUF–LGABuffalo to New York16591.5%-9.3 min2.4%
BUF–MCOBuffalo to Orlando15680.8%6.2 min1.3%
BUF–ORDBuffalo to Chicago14883.8%11.9 min0.0%
BUF–BWIBuffalo to Baltimore14285.9%-1.1 min0.0%
BUF–DTWBuffalo to Detroit11694.8%-5.0 min0.0%
BUF–ATLBuffalo to Atlanta10287.3%-3.1 min0.0%
BUF–TPABuffalo to Tampa9783.5%1.8 min0.0%
BUF–CLTBuffalo to Charlotte9085.6%-1.2 min0.0%
BUF–DCABuffalo to Washington8689.5%-3.9 min0.0%
BUF–MDWBuffalo to Chicago7281.9%0.4 min0.0%
BUF–EWRBuffalo to Newark6180.3%31.2 min1.6%

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), April 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Apr 2024Minutes
Air carrier26.3%33.6%5,044
Late-arriving aircraft43.0%41.0%8,252
National Aviation System26.9%20.0%5,167
Extreme weather3.8%5.1%735
Security0.0%0.2%8
19,206 delay minutes on 260 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← March 2024May 2024 →

Questions and answers

How many flights left BUF on time in April 2024?

84.7% of 1,786 scheduled domestic departures left less than 15 minutes late, and 84.4% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2024; 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.