Patrick Leahy Burlington International in August 2023

81.8%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 August 2023, reporting carriers scheduled 729 domestic departures from Patrick Leahy Burlington International (BTV). 81.8% left less than 15 minutes late and 78.7% reached their destination on time; 1.2% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so BTV departures were 5.1 points above the national departure figure.

Flights arriving at BTV that month were on time 77.5% of the time (729 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, national aviation system 24% and air carrier 23%.

On time 78.7%
Arrived 15+ minutes late 19.5%
Cancelled 1.2%
Diverted 0.5%

Every scheduled departure from BTV in August 2023, judged by arrival at the destination.

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

Measure	Aug 2023	Year earlier	BTV, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	81.8%	—	76.9%	76.7%
Arrived on time	78.7%	—	71.8%	76.9%
Cancelled	1.2%	—	2.9%	1.5%
Average departure delay (late minutes only)	14.2 min	—	24.0 min	17.3 min
Scheduled departures a day	24	—	17	20,100
Scheduled departures	729	—	6,084	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	164	22%	70.1%	16.8 min	1.8%
9E Endeavor Air	147	20%	82.3%	1.9 min	1.4%
UA United Airlines	141	19%	80.1%	1.6 min	0.7%
YX Republic Airline	125	17%	83.2%	-1.4 min	1.6%
B6 JetBlue Airways	58	8%	82.8%	2.4 min	1.7%
AA American Airlines	50	7%	68.0%	23.5 min	0.0%
DL Delta Air Lines	44	6%	88.6%	-0.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BTV–DCA	Burlington to Washington	120	73.3%	16.6 min	1.7%
BTV–JFK	Burlington to New York	120	86.7%	-3.1 min	1.7%
BTV–ORD	Burlington to Chicago	93	80.6%	4.0 min	0.0%
BTV–EWR	Burlington to Newark	87	90.8%	-9.9 min	2.3%
BTV–PHL	Burlington to Philadelphia	64	73.4%	19.0 min	0.0%
BTV–CLT	Burlington to Charlotte	62	61.3%	14.5 min	3.2%
BTV–LGA	Burlington to New York	54	87.0%	-4.1 min	1.9%
BTV–ATL	Burlington to Atlanta	31	87.1%	4.4 min	0.0%
BTV–DEN	Burlington to Denver	31	80.6%	1.0 min	0.0%
BTV–DTW	Burlington to Detroit	31	58.1%	31.9 min	0.0%
BTV–IAD	Burlington to Washington	19	57.9%	13.9 min	0.0%
BTV–MSP	Burlington to Minneapolis	13	92.3%	-12.2 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), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	23.0%	36.7%	2,392
Late-arriving aircraft	40.6%	42.2%	4,219
National Aviation System	24.1%	15.7%	2,503
Extreme weather	12.3%	5.1%	1,284
Security	0.0%	0.2%	0

10,398 delay minutes on 142 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 BTV on time in August 2023?

81.8% of 729 scheduled domestic departures left less than 15 minutes late, and 78.7% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 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 August 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BTV · methodology · corrections.