Patrick Leahy Burlington International in July 2024

73.1%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 July 2024, reporting carriers scheduled 795 domestic departures from Patrick Leahy Burlington International (BTV). 73.1% left less than 15 minutes late and 69.6% reached their destination on time; 5.7% were cancelled.

Nationally that month, 68.5% of flights departed on time and 68.1% arrived on time, so BTV departures were 4.6 points above the national departure figure.

Flights arriving at BTV that month were on time 66.9% of the time (795 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 30% and national aviation system 17%.

On time 69.6%
Arrived 15+ minutes late 24.4%
Cancelled 5.7%
Diverted 0.4%

Every scheduled departure from BTV in July 2024, judged by arrival at the destination.

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

Measure	Jul 2024	Year earlier	BTV, 12 months to Jul 2026	All reported flights, Jul 2024
Departed on time	73.1%	—	76.9%	68.5%
Arrived on time	69.6%	—	71.8%	68.1%
Cancelled	5.7%	—	2.9%	2.9%
Average departure delay (late minutes only)	29.5 min	—	24.0 min	24.9 min
Scheduled departures a day	27	—	17	21,154
Scheduled departures	795	—	6,084	634,613

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	183	23%	65.6%	37.0 min	5.5%
9E Endeavor Air	172	22%	68.0%	18.0 min	8.1%
UA United Airlines	123	15%	65.0%	34.4 min	3.3%
YX Republic Airline	122	15%	77.0%	17.6 min	5.7%
AA American Airlines	69	9%	75.4%	14.0 min	0.0%
DL Delta Air Lines	68	9%	79.4%	1.4 min	8.8%
MQ Envoy Air	58	7%	62.1%	16.9 min	6.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BTV–DCA	Burlington to Washington	120	68.3%	16.6 min	3.3%
BTV–EWR	Burlington to Newark	92	66.3%	35.3 min	9.8%
BTV–ORD	Burlington to Chicago	92	65.2%	23.8 min	5.4%
BTV–CLT	Burlington to Charlotte	91	60.4%	64.2 min	4.4%
BTV–LGA	Burlington to New York	85	69.4%	15.1 min	9.4%
BTV–PHL	Burlington to Philadelphia	64	68.8%	13.3 min	4.7%
BTV–JFK	Burlington to New York	62	72.6%	19.9 min	6.5%
BTV–IAD	Burlington to Washington	61	93.4%	-5.8 min	0.0%
BTV–ATL	Burlington to Atlanta	31	80.6%	3.9 min	12.9%
BTV–DEN	Burlington to Denver	31	61.3%	47.7 min	0.0%
BTV–DTW	Burlington to Detroit	31	61.3%	12.7 min	6.5%
BTV–MSP	Burlington to Minneapolis	31	74.2%	4.4 min	6.5%

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), July 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2024	Minutes
Air carrier	30.3%	36.6%	6,941
Late-arriving aircraft	41.9%	42.7%	9,599
National Aviation System	17.1%	16.0%	3,926
Extreme weather	10.7%	4.6%	2,459
Security	0.0%	0.1%	7

22,932 delay minutes on 194 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 July 2024?

73.1% of 795 scheduled domestic departures left less than 15 minutes late, and 69.6% reached their destination on time. The national figures that month were 68.5% and 68.1%.

How does that compare with a year earlier?

July 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 July 2024; 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.