Buffalo Niagara International in November 2023

87.4%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 2023, reporting carriers scheduled 1,782 domestic departures from Buffalo Niagara International (BUF). 87.4% left less than 15 minutes late and 87.7% reached their destination on time; 0.1% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so BUF departures were 1.4 points above the national departure figure.

Flights arriving at BUF that month were on time 84.9% of the time (1,783 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 33% and national aviation system 15%.

On time 87.7%
Arrived 15+ minutes late 12.1%
Cancelled 0.1%
Diverted 0.1%

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

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

Measure	Nov 2023	Year earlier	BUF, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	87.4%	—	75.6%	86.0%
Arrived on time	87.7%	—	75.5%	86.2%
Cancelled	0.1%	—	2.6%	0.1%
Average departure delay (late minutes only)	8.4 min	—	18.8 min	9.4 min
Scheduled departures a day	59	—	57	18,793
Scheduled departures	1,782	—	20,726	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	419	24%	89.3%	-5.1 min	0.0%
B6 JetBlue Airways	277	16%	74.4%	8.0 min	0.0%
9E Endeavor Air	221	12%	96.4%	-15.2 min	0.0%
YX Republic Airline	192	11%	96.9%	-13.8 min	0.0%
DL Delta Air Lines	190	11%	90.0%	-2.9 min	0.5%
AA American Airlines	119	7%	82.4%	3.8 min	0.0%
OH PSA Airlines	99	6%	80.8%	0.2 min	0.0%
F9 Frontier Airlines	77	4%	85.7%	-5.1 min	0.0%
MQ Envoy Air	71	4%	88.7%	-4.4 min	0.0%
UA United Airlines	62	3%	90.3%	-7.3 min	1.6%
OO SkyWest Airlines	55	3%	90.9%	-5.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BUF–JFK	Buffalo to New York	247	88.7%	-7.5 min	0.0%
BUF–BWI	Buffalo to Baltimore	161	91.3%	-6.7 min	0.0%
BUF–LGA	Buffalo to New York	160	96.9%	-13.1 min	0.0%
BUF–MCO	Buffalo to Orlando	156	86.5%	-4.7 min	0.0%
BUF–ORD	Buffalo to Chicago	141	88.7%	-3.8 min	0.0%
BUF–DTW	Buffalo to Detroit	104	92.3%	-7.3 min	1.0%
BUF–ATL	Buffalo to Atlanta	94	87.2%	2.5 min	0.0%
BUF–EWR	Buffalo to Newark	91	92.3%	-11.6 min	1.1%
BUF–CLT	Buffalo to Charlotte	86	81.4%	3.6 min	0.0%
BUF–DCA	Buffalo to Washington	82	90.2%	-4.9 min	0.0%
BUF–PHL	Buffalo to Philadelphia	78	85.9%	-6.4 min	0.0%
BUF–MDW	Buffalo to Chicago	64	87.5%	-2.1 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), November 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	32.5%	42.5%	4,032
Late-arriving aircraft	50.7%	37.3%	6,287
National Aviation System	15.3%	16.2%	1,901
Extreme weather	1.4%	3.7%	178
Security	0.0%	0.3%	0

12,398 delay minutes on 216 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 November 2023?

87.4% of 1,782 scheduled domestic departures left less than 15 minutes late, and 87.7% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 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 November 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.