Patrick Leahy Burlington International in January 2026

70.9%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 January 2026, reporting carriers scheduled 443 domestic departures from Patrick Leahy Burlington International (BTV). 70.9% left less than 15 minutes late and 66.6% reached their destination on time; 8.6% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so BTV departures were 4.7 points below the national departure figure.

A year earlier, in January 2025, the airport had 536 departures with 81.7% leaving on time: a change of −10.8 points, with flights down 17%.

Flights arriving at BTV that month were on time 66.0% of the time (444 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 55%, late-arriving aircraft 18% and national aviation system 18%.

On time 66.6%
Arrived 15+ minutes late 24.4%
Cancelled 8.6%
Diverted 0.5%

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

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

Measure	Jan 2026	Jan 2025	BTV, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	70.9%	81.7%	76.9%	75.6%
Arrived on time	66.6%	78.0%	71.8%	75.3%
Cancelled	8.6%	3.4%	2.9%	4.7%
Average departure delay (late minutes only)	19.7 min	13.8 min	24.0 min	16.7 min
Scheduled departures a day	15	18	17	18,133
Scheduled departures	443	536	6,084	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	157	35%	70.1%	-3.3 min	11.5%
YX Republic Airline	113	26%	73.5%	-3.7 min	10.6%
OO SkyWest Airlines	75	17%	50.7%	44.1 min	4.0%
UA United Airlines	41	9%	75.6%	-2.4 min	2.4%
DL Delta Air Lines	31	7%	58.1%	14.3 min	6.5%
AA American Airlines	26	6%	57.7%	14.3 min	7.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BTV–PHL	Burlington to Philadelphia	93	72.0%	-6.2 min	11.8%
BTV–DCA	Burlington to Washington	89	60.7%	7.8 min	9.0%
BTV–ORD	Burlington to Chicago	67	68.7%	4.6 min	4.5%
BTV–EWR	Burlington to Newark	62	79.0%	-10.1 min	9.7%
BTV–DTW	Burlington to Detroit	61	49.2%	49.3 min	4.9%
BTV–ATL	Burlington to Atlanta	31	58.1%	14.3 min	6.5%
BTV–CLT	Burlington to Charlotte	31	80.6%	-8.4 min	12.9%
BTV–LGA	Burlington to New York	9	66.7%	14.4 min	11.1%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	55.1%	37.3%	4,549
Late-arriving aircraft	18.3%	35.0%	1,511
National Aviation System	17.6%	18.0%	1,451
Extreme weather	8.8%	9.6%	728
Security	0.1%	0.1%	12

8,251 delay minutes on 108 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 January 2026?

70.9% of 443 scheduled domestic departures left less than 15 minutes late, and 66.6% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 81.7% of 536 departures left on time and 3.4% were cancelled, against 70.9% and 8.6% in January 2026.

Provenance

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