Patrick Leahy Burlington International in June 2026

72.4%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 June 2026, reporting carriers scheduled 554 domestic departures from Patrick Leahy Burlington International (BTV). 72.4% left less than 15 minutes late and 69.9% reached their destination on time; 6.1% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so BTV departures were level with the national departure figure.

A year earlier, in June 2025, the airport had 598 departures with 66.2% leaving on time: a change of +6.2 points, with flights down 7%.

Flights arriving at BTV that month were on time 72.4% of the time (554 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 32%, air carrier 32% and national aviation system 22%.

On time 69.9%
Arrived 15+ minutes late 23.6%
Cancelled 6.1%
Diverted 0.4%

Every scheduled departure from BTV in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	BTV, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	72.4%	66.2%	76.9%	72.2%
Arrived on time	69.9%	59.2%	71.8%	72.8%
Cancelled	6.1%	6.2%	2.9%	1.6%
Average departure delay (late minutes only)	28.6 min	33.2 min	24.0 min	20.6 min
Scheduled departures a day	19	20	17	20,253
Scheduled departures	554	598	6,084	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	273	49%	68.5%	15.4 min	9.2%
UA United Airlines	90	16%	61.1%	42.3 min	0.0%
OO SkyWest Airlines	83	15%	65.1%	30.5 min	8.4%
YX Republic Airline	52	9%	84.6%	2.8 min	0.0%
DL Delta Air Lines	37	7%	91.9%	-14.9 min	5.4%
AA American Airlines	19	3%	68.4%	2.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BTV–ORD	Burlington to Chicago	119	63.9%	43.2 min	5.9%
BTV–PHL	Burlington to Philadelphia	112	68.8%	15.7 min	7.1%
BTV–CLT	Burlington to Charlotte	90	76.7%	2.1 min	6.7%
BTV–DCA	Burlington to Washington	90	60.0%	26.1 min	12.2%
BTV–ATL	Burlington to Atlanta	37	91.9%	-14.9 min	5.4%
BTV–DEN	Burlington to Denver	30	46.7%	37.0 min	0.0%
BTV–EWR	Burlington to Newark	26	69.2%	15.6 min	0.0%
BTV–IAD	Burlington to Washington	26	100.0%	-10.0 min	0.0%
BTV–DTW	Burlington to Detroit	24	79.2%	7.2 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	31.6%	30.8%	4,667
Late-arriving aircraft	31.9%	42.1%	4,721
National Aviation System	21.7%	20.3%	3,200
Extreme weather	14.8%	6.7%	2,190
Security	0.0%	0.1%	0

14,778 delay minutes on 131 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 June 2026?

72.4% of 554 scheduled domestic departures left less than 15 minutes late, and 69.9% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 66.2% of 598 departures left on time and 6.2% were cancelled, against 72.4% and 6.1% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.