On-Time Report

Airports › Buffalo (BUF) › December 2023

Airport month · December 2023

Buffalo Niagara International in December 2023

82.7%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 December 2023, reporting carriers scheduled 1,582 domestic departures from Buffalo Niagara International (BUF). 82.7% left less than 15 minutes late and 84.4% reached their destination on time; 0.8% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so BUF departures were level with the national departure figure.

Flights arriving at BUF that month were on time 80.2% of the time (1,579 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 28% and national aviation system 22%.

Every scheduled departure from BUF in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

MeasureDec 2023Year earlierBUF, 12 months to Jul 2026All reported flights, Dec 2023
Departed on time82.7%—75.6%83.1%
Arrived on time84.4%—75.5%83.8%
Cancelled0.8%—2.6%0.4%
Average departure delay (late minutes only)12.9 min—18.8 min11.6 min
Scheduled departures a day53—5719,013
Scheduled departures1,582—20,726570,394

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines43928%85.4%-0.9 min0.9%
B6 JetBlue Airways23515%77.4%4.1 min0.4%
9E Endeavor Air20413%90.7%-9.4 min1.0%
DL Delta Air Lines15510%85.8%-0.5 min0.0%
YX Republic Airline1308%93.1%-13.2 min0.0%
AA American Airlines1228%79.5%9.2 min0.0%
MQ Envoy Air765%76.3%16.2 min2.6%
OH PSA Airlines604%90.0%0.9 min0.0%
UA United Airlines574%93.0%-11.7 min0.0%
F9 Frontier Airlines523%71.2%7.4 min1.9%
OO SkyWest Airlines523%76.9%0.0 min3.8%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BUF–JFKBuffalo to New York19486.6%-4.1 min1.0%
BUF–BWIBuffalo to Baltimore16786.2%-1.8 min0.6%
BUF–MCOBuffalo to Orlando15181.5%4.5 min0.7%
BUF–LGABuffalo to New York13791.2%-10.3 min1.5%
BUF–ORDBuffalo to Chicago13281.1%7.9 min1.5%
BUF–DTWBuffalo to Detroit10086.0%-3.1 min0.0%
BUF–ATLBuffalo to Atlanta8889.8%-8.9 min0.0%
BUF–CLTBuffalo to Charlotte8583.5%7.8 min0.0%
BUF–DCABuffalo to Washington8188.9%-1.2 min0.0%
BUF–MDWBuffalo to Chicago6381.0%1.4 min4.8%
BUF–EWRBuffalo to Newark6191.8%-12.4 min0.0%
BUF–BOSBuffalo to Boston5377.4%4.1 min1.9%

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), December 2023.

Delay causes

BTS cause categoryShare of delay minutesNational, Dec 2023Minutes
Air carrier27.5%37.1%4,886
Late-arriving aircraft49.3%38.8%8,740
National Aviation System22.0%17.6%3,902
Extreme weather1.2%6.2%217
Security0.0%0.3%0
17,745 delay minutes on 234 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← November 2023January 2024 →

Questions and answers

How many flights left BUF on time in December 2023?

82.7% of 1,582 scheduled domestic departures left less than 15 minutes late, and 84.4% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 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 December 2023; 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.