ON TIMEBOARD

BTV → JFK on time

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

On time
76%
arrived < 15 min late
Cancelled
5.9%
724 flights
Typical arrival
−13 min
median vs schedule
When late
+109 min
average delay
Flights / day
2
1 airline

76% of flights from Burlington to New York arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 83% of the time; the 2 p.m. ones 64%. 15% 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 BTV → JFK: when a flight was late, it was under 45 minutes late 40% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 29 three hours or more; 5.9% 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 Lines72476%5.9%−13 min9.1%+109 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 BTV). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 83% on time (363 flights)836a7 a.m. departures: too few flights7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights (62 flights)1p2 p.m. departures: 64% on time (177 flights)642p3 p.m. departures: 72% on time (122 flights)723p
BTV → JFK, 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 BTV → JFK, each airline's last flight of the day was cancelled 7.2% of the time, against 4.7% for its earlier flights (1.5× as often). It arrived 3+ hours late 2.5% of the time (earlier flights: 4.5%). 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 Lines2:26 p.m.7.2%2.5%4.7%first flight 6:30 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 JFK 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 (88%). Worst: July (69%).

40%70%100%Jan: 78% on time (189 flights)78JanFeb: 80% on time (170 flights)80FebMar: 82% on time (186 flights)82MarApr: 86% on time (180 flights)86AprMay: 83% on time (186 flights)83MayJun: 75% on time (180 flights)75JunJul: 69% on time (186 flights)69JulAug: 80% on time (186 flights)80AugSep: 83% on time (239 flights)83SepOct: 88% on time (248 flights)88OctNov: 87% on time (244 flights)87NovDec: 74% on time (238 flights)74Dec

By day of week

DayFlightsOn timeCancelled
Monday10669%9.4%
Tuesday10474%7.7%
Wednesday10283%1.0%
Thursday10176%6.9%
Friday10377%4.9%
Saturday10481%2.9%
Sunday10469%8.6%

Why flights were late

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

Late inbound plane 42%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 28%Severe weather 2%

Cancellations: air traffic/airport 21 · airline 11 · weather 11

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 76% on time, 5.9% cancelledOct 2023: 88% on time, 0.0% cancelledNov 2023: 88% on time, 0.0% cancelledDec 2023: 77% on time, 5.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
BTV → JFK, 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 51766:30 a.m.34783%4.9%−15 minEndeavor Air

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Burlington or New York. None has been clearly more reliable than BTV → JFK.

RouteFlightsOn timeCancelled
BTV → JFK (this route)72476%5.9%
BTV → LGA Patrick Leahy Burlington to LaGuardia72273%5.3%
BTV → EWR Patrick Leahy Burlington to Newark1,17672%5.4%

Questions

How often are flights from BTV to JFK on time?

76% of 724 scheduled flights from Burlington, VT to New York, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 5.9% were cancelled.

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

Flights scheduled to leave at 6 a.m. were the most reliable (83% on time). The 2 p.m. departures were the least (64%).

What month has the most delays from BTV to JFK?

July (69% on time). The best month is October (88%), over 2023–2026.

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

Yes. Each airline's last BTV–JFK flight of the day was cancelled 7.2% of the time over the past year, against 4.7% 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.