ON TIMEBOARD

JFK → BTV on time

New York JFK (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
7.2%
724 flights
Typical arrival
−9 min
median vs schedule
When late
+83 min
average delay
Flights / day
2
1 airline

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 noon departures ran on time 79% of the time; the 2 p.m. ones 63%. 18% 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 JFK → BTV: when a flight was late, it was under 45 minutes late 46% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 72 three hours or more; 7.2% were cancelled outright.

Share of all 724 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines72469%7.2%−9 min10.4%+83 minEndeavor Air

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 JFK). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%noon departures: 79% on time (117 flights)7912p1 p.m. departures: 79% on time (121 flights)791p2 p.m. departures: 63% on time (122 flights)632p3 p.m. departures: too few flights (4 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (52 flights)7p8 p.m. departures: too few flights8p9 p.m. departures: too few flights (60 flights)9p10 p.m. departures: 68% on time (248 flights)6810p
JFK → 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

Last flight of the day

On JFK → BTV, each airline's last flight of the day was cancelled 10.9% of the time, against 3.6% for its earlier flights (3.0× as often). It arrived 3+ hours late 1.7% of the time (earlier flights: 1.1%). 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 Lines7:50 p.m.10.9%1.7%3.6%first flight 12:15 p.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: October (86%). Worst: July (68%).

40%70%100%Jan: 69% on time (189 flights)69JanFeb: 72% on time (170 flights)72FebMar: 76% on time (186 flights)76MarApr: 81% on time (180 flights)81AprMay: 81% on time (186 flights)81MayJun: 72% on time (180 flights)72JunJul: 68% on time (186 flights)68JulAug: 69% on time (186 flights)69AugSep: 80% on time (239 flights)80SepOct: 86% on time (248 flights)86OctNov: 86% on time (244 flights)86NovDec: 71% on time (237 flights)71Dec

By day of week

DayFlightsOn timeCancelled
Monday10662%13.2%
Tuesday10469%5.8%
Wednesday10275%2.0%
Thursday10163%8.9%
Friday10374%6.8%
Saturday10479%3.9%
Sunday10463%9.6%

Why flights were late

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

Late inbound plane 46%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 16%Severe weather 9%

Cancellations: air traffic/airport 24 · airline 16 · weather 12

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 69% on time, 6.7% cancelledOct 2023: 87% on time, 0.0% cancelledNov 2023: 83% on time, 0.0% cancelledDec 2023: 76% on time, 4.2% cancelled
Share of flights on time, by month (hover a point for cancellations)
JFK → BTV, monthly on-time and cancellation rate.

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 494412:14 p.m.20374%4.4%−9 minEndeavor Air
DL 548110:30 p.m.34866%10.9%−7 minEndeavor Air

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of New York or Burlington. EWR → BTV has been 5 points more reliable.

RouteFlightsOn timeCancelled
JFK → BTV (this route)72469%7.2%
EWR → BTV Newark to Patrick Leahy Burlington1,17875%5.2%
LGA → BTV LaGuardia to Patrick Leahy Burlington72169%6.5%

Questions

How often are flights from JFK to BTV on time?

69% of 724 scheduled flights from New York, NY to Burlington, VT arrived within 15 minutes of schedule between September 2025 and August 2026. 7.2% were cancelled.

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

Flights scheduled to leave at noon were the most reliable (79% on time). The 2 p.m. departures were the least (63%).

What month has the most delays from JFK to BTV?

July (68% on time). The best month is October (86%), over 2023–2026.

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

Yes. Each airline's last JFK–BTV flight of the day was cancelled 10.9% of the time over the past year, against 3.6% 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.