Best time to fly out of Westchester (HPN)

The early-flight folk wisdom holds up at Westchester: departures in the 6–8am band left on time 91.1% of the time, against 65.1% in the 8–10pm band. These are historical odds, not forecasts. The records say what happened on this schedule over three years; they know nothing about tomorrow’s thunderstorm.

Data through June 2026 · Bureau of Transportation Statistics

On-time rate by hour and day

On this page, “on time” means a departure that pushed back less than 15 minutes behind its scheduled time — the Bureau of Transportation Statistics definition, and the one airlines are held to.

Share of departures that left on time, by hour band and day of week.
Departure time MonTueWedThuFriSatSun
Before 6am – – – – – – –
6–8am 90 91 92 92 92 91 91
8–10am 89 91 91 88 86 89 87
10am–12pm 83 83 84 83 78 82 83
12–2pm 74 79 82 79 74 80 72
2–4pm 68 74 75 69 66 76 64
4–6pm 70 75 75 70 68 78 67
6–8pm 65 77 75 67 65 77 59
8–10pm 59 73 80 63 61 69 53
10pm–12am – – – – – – –
fewer left on time more left on time

The steadiest stretch at HPN was 6–8am — 91.1% of departures left on time across 8,087 flights. The weakest was 8–10pm at 65.1%. 6–8am departures from HPN left on time 91.1% of the time across 8,087 flights; 6–8pm departures, 68.8% across 2,683. That is a gap of 22.3 points, and it is the whole case for the early flight.

The year at HPN

December was the hard month at HPN: 71.8% of departures left on time, across 2,969 flights. October was the easy one at 86.6%. Each month pools three years of that month, so a single bad week does not decide it.

Share of departures that left on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 79.9%.
Departure on-time share at HPN by calendar month
Month Share departures that left on time Flights
January 76% 2,967
February 76.9% 2,722
March 79.5% 2,945
April 82.1% 2,840
May 80.5% 2,755
June 81.3% 2,693
July 75.4% 2,902
August 79% 2,928
September 85.1% 2,800
October 86.6% 3,023
November 84.4% 2,889
December 71.8% 2,969

Airlines at HPN

Every airline with at least 100 departures from HPN, busiest first. These are that airline’s departures from this airport only — its record across the country sits on its own page.

Airline Left on time Typical delay Cancelled Departures
JetBlue Airways 81% 83 min 1.7% 15,775
PSA Airlines 76.5% 105 min 4.2% 8,174
Envoy Air 83.5% 88 min 2.8% 3,829
Delta Air Lines 80.2% 98 min 1.5% 2,679
SkyWest Airlines 76.7% 114 min 1.6% 2,426
Endeavor Air 82.9% 80 min 1.2% 1,375
Republic Airways 82% 67 min 4.6% 175

Endeavor Air (through December 2024) stopped filing before June 2026. Its row covers a shorter run of months than the rest of the table, so its figure is not set against the others anywhere on this page.

What delays out of HPN were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 7,261 flights that departed HPN and ran 15 minutes late or more, the delay minutes break down with 42.5% put down to late-arriving aircraft and 28.5% to airline operations.

Late-arriving aircraft 42.5% Airline operations 28.5% Air traffic & airport volume 19.4% Severe weather 9.4% Security 0.2%
  • Late-arriving aircraft 42.5%
  • Airline operations 28.5%
  • Air traffic & airport volume 19.4%
  • Severe weather 9.4%
  • Security 0.2%

Late-arriving aircraft is the knock-on category: the plane came in late, so it went out late again. It is why a 7am problem in Newark is still a problem in Denver at dinnertime, and why it is usually the biggest slice on the bar.

If you are connecting through HPN

Of 34,445 scheduled arrivals into HPN, 72.9% reached the gate less than 15 minutes behind schedule. Of the 8,241 arrivals that ran late, 47.2% were no more than 45 minutes behind — which is the difference between a tight connection and a new boarding pass.

Work out a specific layover — pick the airport and the minutes you have, and the tool reads the same arrival records back as a share.

Busiest routes out of HPN

Ranked by flights, with the share that arrived on time at the far end. Where a route carries enough flights for a page of its own the chip goes there; otherwise it goes to the destination airport.

HPN in one number

Westchester (HPN)

Rank 95 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: December.

July 2023–June 2026 · 33,616 departures flown

79.9% of departures left on time

Questions about HPN

What is the best time of day to fly out of Westchester?
6–8am. Departures in that band left on time 91.1% of the time across 8,087 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 8–10pm band was the weakest at 65.1%.
Is the early flight out of HPN really more reliable?
6–8am departures from HPN left on time 91.1% of the time across 8,087 flights; 6–8pm departures, 68.8% across 2,683. That is a gap of 22.3 points, and it is the whole case for the early flight.
What is the worst month to fly out of HPN?
December: 71.8% of the departures that flew left on time, with 2,969 scheduled. October was the other end of the year at 86.6%. Each figure pools three years of that calendar month.
Which airline is most on time at HPN?
Envoy Air — 83.5% of its 3,829 departures from HPN left on time. PSA Airlines sat at the other end at 76.5% over 8,174 flights. Only airlines with at least 100 departures here are ranked. Airlines that stopped filing before June 2026 are left out of the ranking — their figures cover a shorter run of months than the rest of the table.
How often are flights cancelled at HPN?
2.4% of scheduled departures were cancelled over July 2023 through June 2026. Cancellations are counted against everything scheduled, not against everything that flew — a rate that looks small still adds up to real people in a rebooking line.