Patrick Leahy Burlington International in September 2023

80.4%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 September 2023, reporting carriers scheduled 698 domestic departures from Patrick Leahy Burlington International (BTV). 80.4% left less than 15 minutes late and 78.2% reached their destination on time; 3.6% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so BTV departures were level with the national departure figure.

Flights arriving at BTV that month were on time 80.1% of the time (698 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 28%, air carrier 26% and national aviation system 24%.

On time 78.2%
Arrived 15+ minutes late 18.1%
Cancelled 3.6%
Diverted 0.1%

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

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

Measure	Sep 2023	Year earlier	BTV, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	80.4%	—	76.9%	80.5%
Arrived on time	78.2%	—	71.8%	80.1%
Cancelled	3.6%	—	2.9%	1.2%
Average departure delay (late minutes only)	14.7 min	—	24.0 min	14.1 min
Scheduled departures a day	23	—	17	18,978
Scheduled departures	698	—	6,084	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	161	23%	80.7%	8.5 min	2.5%
9E Endeavor Air	138	20%	76.8%	-1.8 min	9.4%
YX Republic Airline	90	13%	77.8%	-3.9 min	6.7%
UA United Airlines	87	12%	74.7%	13.1 min	0.0%
AA American Airlines	67	10%	74.6%	14.7 min	1.5%
B6 JetBlue Airways	59	8%	74.6%	7.3 min	1.7%
DL Delta Air Lines	44	6%	93.2%	-4.6 min	0.0%
OO SkyWest Airlines	27	4%	74.1%	45.7 min	0.0%
MQ Envoy Air	25	4%	80.0%	3.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BTV–JFK	Burlington to New York	119	76.5%	2.2 min	5.9%
BTV–DCA	Burlington to Washington	111	77.5%	14.7 min	4.5%
BTV–ORD	Burlington to Chicago	91	79.1%	5.5 min	0.0%
BTV–EWR	Burlington to Newark	82	76.8%	-3.3 min	7.3%
BTV–LGA	Burlington to New York	74	74.3%	0.4 min	9.5%
BTV–PHL	Burlington to Philadelphia	59	78.0%	15.3 min	0.0%
BTV–CLT	Burlington to Charlotte	57	84.2%	-3.0 min	0.0%
BTV–ATL	Burlington to Atlanta	30	96.7%	-4.4 min	0.0%
BTV–DTW	Burlington to Detroit	30	76.7%	38.7 min	0.0%
BTV–IAD	Burlington to Washington	22	59.1%	34.2 min	0.0%
BTV–MSP	Burlington to Minneapolis	14	85.7%	-4.9 min	0.0%
BTV–DFW	Burlington to Dallas/Fort Worth	5	80.0%	-2.6 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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	26.4%	36.4%	2,735
Late-arriving aircraft	28.2%	38.3%	2,927
National Aviation System	23.8%	19.9%	2,468
Extreme weather	21.6%	5.1%	2,242
Security	0.0%	0.2%	0

10,372 delay minutes on 126 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 September 2023?

80.4% of 698 scheduled domestic departures left less than 15 minutes late, and 78.2% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 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 September 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.