ON TIMEBOARD

ITH → JFK on time

Ithaca Tompkins (Ithaca/Cortland, NY) to New York JFK (New York, NY). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
6.5%
724 flights
Typical arrival
−14 min
median vs schedule
When late
+126 min
average delay
Flights / day
2
1 airline

76% of flights from Ithaca to New York arrived on time over the past 12 months. That is worse than the typical U.S. route. The 5 a.m. departures ran on time 80% of the time; the 1 p.m. ones 69%. 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 ITH → JFK: when a flight was late, it was under 45 minutes late 35% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 23 three hours or more; 6.5% 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%6.5%−14 min10.5%+126 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 ITH). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 80% on time (361 flights)805a6 a.m. departures: too few flights (4 flights)6a7 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 flights (1 flights)11anoon departures: too few flights12p1 p.m. departures: 69% on time (188 flights)691p2 p.m. departures: 75% on time (139 flights)752p3 p.m. departures: too few flights (31 flights)3p
ITH → 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 ITH → JFK, each airline's last flight of the day was cancelled 6.1% of the time, against 7.0% for its earlier flights, about the same. It arrived 3+ hours late 1.4% of the time (earlier flights: 7.2%). 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 Lines1:10 p.m.6.1%1.4%7.0%first flight 5:28 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.

By month

Each calendar month pooled over 2023–2026. Best: October (89%). Worst: June (70%).

40%70%100%Jan: 82% on time (184 flights)82JanFeb: 85% on time (170 flights)85FebMar: 87% on time (186 flights)87MarApr: 84% on time (180 flights)84AprMay: 84% on time (186 flights)84MayJun: 70% on time (180 flights)70JunJul: 72% on time (186 flights)72JulAug: 79% on time (186 flights)79AugSep: 87% on time (180 flights)87SepOct: 89% on time (186 flights)89OctNov: 87% on time (176 flights)87NovDec: 79% on time (180 flights)79Dec

By day of week

DayFlightsOn timeCancelled
Monday10673%9.4%
Tuesday10476%6.7%
Wednesday10278%3.9%
Thursday10176%7.9%
Friday10376%6.8%
Saturday10478%3.9%
Sunday10472%6.7%

Why flights were late

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

Late inbound plane 59%Airline (crew, maintenance, ops) 23%Air traffic & airport (NAS) 13%Severe weather 5%

Cancellations: air traffic/airport 20 · airline 15 · 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 52655:40 a.m.36580%6.9%−16 minEndeavor Air
DL 53152:05 p.m.35971%6.1%−10 minEndeavor Air

Nearby airport alternatives

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

RouteFlightsOn timeCancelled
ITH → JFK (this route)72476%6.5%
SYR → JFK Syracuse Hancock to New York JFK1,48878%5.6%
SYR → EWR Syracuse Hancock to Newark53973%3.1%
SYR → LGA Syracuse Hancock to LaGuardia97568%5.7%

Questions

How often are flights from ITH to JFK on time?

76% of 724 scheduled flights from Ithaca/Cortland, NY to New York, NY 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 ITH to JFK?

Flights scheduled to leave at 5 a.m. were the most reliable (80% on time). The 1 p.m. departures were the least (69%).

What month has the most delays from ITH to JFK?

June (70% on time). The best month is October (89%), over 2023–2026.

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

Not much. Each airline's last ITH–JFK flight of the day was cancelled 6.1% of the time over the past year, against 7.0% 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.