ON TIMEBOARD

LGA → BTV on time

LaGuardia (New York, NY) to Patrick Leahy Burlington (Burlington, VT). Every scheduled flight, September 2025 to August 2026.

On time
69%
arrived < 15 min late
Cancelled
6.5%
721 flights
Typical arrival
−9 min
median vs schedule
When late
+86 min
average delay
Flights / day
2
2 airlines

69% of flights from New York to Burlington arrived on time over the past 12 months. That is worse than the typical U.S. route. The 10 a.m. departures ran on time 78% of the time; the 9 p.m. ones 58%. 17% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LGA → BTV: when a flight was late, it was under 45 minutes late 44% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 48 three hours or more; 6.5% were cancelled outright.

Share of all 721 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines65969%6.5%−10 min10.0%+89 minEndeavor Air
American Airlines62—————Republic Airways

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LGA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%10 a.m. departures: 78% on time (100 flights)7810a11 a.m. departures: too few flights (86 flights)11anoon departures: 76% on time (137 flights)7612p1 p.m. departures: too few flights (3 flights)1p2 p.m. departures: too few flights (20 flights)2p3 p.m. departures: too few flights (13 flights)3p4 p.m. departures: too few flights (3 flights)4p5 p.m. departures: too few flights (34 flights)5p6 p.m. departures: too few flights (1 flights)6p7 p.m. departures: too few flights (21 flights)7p8 p.m. departures: too few flights (14 flights)8p9 p.m. departures: 58% on time (289 flights)589p
LGA → BTV, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsDelta Air Lines
10 a.m.78%
noon76%
9 p.m.58%

Last flight of the day

On LGA → BTV, each airline's last flight of the day was cancelled 9.7% of the time, against 4.0% for its earlier flights (2.4× as often). It arrived 3+ hours late 1.7% of the time (earlier flights: 2.4%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines9:50 p.m.9.7%1.7%4.0%first flight 10:35 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in BTV tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (85%). Worst: July (64%).

40%70%100%Jan: 73% on time (183 flights)73JanFeb: 81% on time (183 flights)81FebMar: 73% on time (204 flights)73MarApr: 80% on time (204 flights)80AprMay: 72% on time (200 flights)72MayJun: 69% on time (192 flights)69JunJul: 64% on time (201 flights)64JulAug: 71% on time (197 flights)71AugSep: 82% on time (228 flights)82SepOct: 80% on time (220 flights)80OctNov: 85% on time (193 flights)85NovDec: 72% on time (156 flights)72Dec

By day of week

DayFlightsOn timeCancelled
Monday10462%10.6%
Tuesday10275%4.9%
Wednesday10075%2.0%
Thursday99——
Friday13170%6.9%
Saturday84——
Sunday10160%10.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 51%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 11%Severe weather 5%

Cancellations: air traffic/airport 23 · airline 12 · weather 12

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 535712:16 p.m.32776%4.3%−12 minEndeavor Air
DL 53939:45 p.m.33062%8.8%−6 minEndeavor Air

Worst days in the past year

DateFlightsOn timeCancelled
Mar 20, 202630%1
Mar 13, 202630%0
Oct 31, 202530%1
Dec 5, 2025333%0
Mar 27, 2026333%1

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of New York or Burlington. EWR → BTV has been 6 points more reliable.

RouteFlightsOn timeCancelled
LGA → BTV (this route)72169%6.5%
EWR → BTV Newark to Patrick Leahy Burlington1,17875%5.2%
JFK → BTV New York JFK to Patrick Leahy Burlington72469%7.2%

Questions

How often are flights from LGA to BTV on time?

69% of 721 scheduled flights from New York, NY to Burlington, VT arrived within 15 minutes of schedule between September 2025 and August 2026. 6.5% were cancelled.

What is the best time of day to fly LGA to BTV?

Flights scheduled to leave at 10 a.m. were the most reliable (78% on time). The 9 p.m. departures were the least (58%).

What month has the most delays from LGA to BTV?

July (64% on time). The best month is November (85%), over 2023–2026.

Is the last flight of the day from LGA to BTV more likely to be cancelled?

Yes. Each airline's last LGA–BTV flight of the day was cancelled 9.7% of the time over the past year, against 4.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.