Buffalo Niagara International in October 2023

85.1%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 October 2023, reporting carriers scheduled 1,962 domestic departures from Buffalo Niagara International (BUF). 85.1% left less than 15 minutes late and 85.1% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so BUF departures were 1.3 points above the national departure figure.

Flights arriving at BUF that month were on time 81.6% of the time (1,962 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 59%, air carrier 25% and national aviation system 14%.

On time 85.1%
Arrived 15+ minutes late 14.6%
Cancelled 0.2%
Diverted 0.2%

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

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

Measure	Oct 2023	Year earlier	BUF, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	85.1%	—	75.6%	83.8%
Arrived on time	85.1%	—	75.5%	84.0%
Cancelled	0.2%	—	2.6%	0.4%
Average departure delay (late minutes only)	10.3 min	—	18.8 min	11.0 min
Scheduled departures a day	65	—	57	19,966
Scheduled departures	1,962	—	20,726	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	420	21%	85.2%	0.3 min	0.0%
B6 JetBlue Airways	339	17%	79.9%	5.8 min	0.0%
YX Republic Airline	274	14%	91.6%	-6.3 min	0.0%
DL Delta Air Lines	220	11%	91.8%	-7.2 min	0.0%
9E Endeavor Air	219	11%	91.3%	-11.1 min	0.0%
AA American Airlines	154	8%	79.9%	16.7 min	0.6%
F9 Frontier Airlines	115	6%	76.5%	6.4 min	1.7%
UA United Airlines	89	5%	80.9%	3.9 min	0.0%
MQ Envoy Air	77	4%	74.0%	1.0 min	0.0%
OO SkyWest Airlines	28	1%	82.1%	4.5 min	0.0%
OH PSA Airlines	27	1%	88.9%	-13.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BUF–JFK	Buffalo to New York	259	84.2%	0.3 min	0.0%
BUF–LGA	Buffalo to New York	198	95.5%	-10.6 min	0.0%
BUF–BWI	Buffalo to Baltimore	159	86.2%	0.3 min	0.0%
BUF–MCO	Buffalo to Orlando	142	82.4%	-0.6 min	0.0%
BUF–ORD	Buffalo to Chicago	141	73.0%	7.5 min	0.0%
BUF–ATL	Buffalo to Atlanta	139	79.1%	6.2 min	0.0%
BUF–DTW	Buffalo to Detroit	117	93.2%	-7.7 min	0.0%
BUF–EWR	Buffalo to Newark	93	88.2%	-8.7 min	0.0%
BUF–BOS	Buffalo to Boston	90	84.4%	-2.8 min	0.0%
BUF–CLT	Buffalo to Charlotte	90	82.2%	23.9 min	0.0%
BUF–DCA	Buffalo to Washington	89	89.9%	-10.0 min	0.0%
BUF–MDW	Buffalo to Chicago	84	86.9%	-0.1 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	25.2%	41.3%	4,409
Late-arriving aircraft	58.9%	40.5%	10,297
National Aviation System	14.3%	14.4%	2,505
Extreme weather	0.6%	3.7%	104
Security	0.9%	0.2%	153

17,468 delay minutes on 287 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left BUF on time in October 2023?

85.1% of 1,962 scheduled domestic departures left less than 15 minutes late, and 85.1% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 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 October 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.