Historical on-time performance
White Plains to Nantucket
191 miData through May 2026Source: US DOT · BTS
Flights on HPN–ACK arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled2.0%of scheduled flights
based on 205 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time86%Medianon timep9015 minCancel2.0%Flights205
Why flights run late
Delay causes
- Airline5%
- Weather14%
- Air traffic (NAS)19%
- Late aircraft62%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather50%
- Air traffic (NAS)25%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly HPN → ACK
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 25 min · 445 flights
- Afternoons77% on time · p90 55 min · 166 flights · limited
Keep exploring