Patrick Leahy Burlington International in November 2025

79.6%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 2025, reporting carriers scheduled 368 domestic departures from Patrick Leahy Burlington International (BTV). 79.6% left less than 15 minutes late and 67.7% reached their destination on time; 1.4% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so BTV departures were 1.5 points above the national departure figure.

A year earlier, in November 2024, the airport had 645 departures with 89.8% leaving on time: a change of −10.2 points, with flights down 43%.

Flights arriving at BTV that month were on time 74.0% of the time (366 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 35%, air carrier 33% and national aviation system 23%.

On time 67.7%
Arrived 15+ minutes late 30.7%
Cancelled 1.4%
Diverted 0.3%

Every scheduled departure from BTV in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	BTV, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	79.6%	89.8%	76.9%	78.1%
Arrived on time	67.7%	86.7%	71.8%	77.3%
Cancelled	1.4%	0.3%	2.9%	2.5%
Average departure delay (late minutes only)	31.4 min	10.5 min	24.0 min	15.6 min
Scheduled departures a day	12	22	17	19,018
Scheduled departures	368	645	6,084	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	151	41%	62.3%	41.4 min	2.0%
UA United Airlines	89	24%	56.2%	37.0 min	1.1%
YX Republic Airline	87	24%	82.8%	6.2 min	1.1%
DL Delta Air Lines	31	8%	77.4%	16.2 min	0.0%
F9 Frontier Airlines	6	2%	83.3%	-10.8 min	0.0%
AA American Airlines	2	1%	100.0%	-13.0 min	0.0%
OO SkyWest Airlines	2	1%	100.0%	-4.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BTV–DCA	Burlington to Washington	88	52.3%	50.4 min	3.4%
BTV–PHL	Burlington to Philadelphia	87	79.3%	28.9 min	1.1%
BTV–ORD	Burlington to Chicago	61	54.1%	44.3 min	1.6%
BTV–CLT	Burlington to Charlotte	31	80.6%	-6.2 min	0.0%
BTV–ATL	Burlington to Atlanta	30	76.7%	17.5 min	0.0%
BTV–DEN	Burlington to Denver	30	63.3%	19.5 min	0.0%
BTV–EWR	Burlington to Newark	23	78.3%	3.1 min	0.0%
BTV–LGA	Burlington to New York	10	100.0%	-12.0 min	0.0%
BTV–MCO	Burlington to Orlando	6	83.3%	-10.8 min	0.0%
BTV–DTW	Burlington to Detroit	1	100.0%	-21.0 min	0.0%
BTV–IAD	Burlington to Washington	1	0.0%	101.0 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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	32.5%	30.2%	4,299
Late-arriving aircraft	35.1%	38.3%	4,642
National Aviation System	22.8%	26.7%	3,017
Extreme weather	9.6%	4.6%	1,276
Security	0.0%	0.1%	0

13,234 delay minutes on 113 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 November 2025?

79.6% of 368 scheduled domestic departures left less than 15 minutes late, and 67.7% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 89.8% of 645 departures left on time and 0.3% were cancelled, against 79.6% and 1.4% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; 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.