Historical on-time performance
Nantucket to White Plains
191 miData through May 2026Source: US DOT · BTS
Flights on ACK–HPN arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled3.9%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-time78%Medianon timep9055 minCancel3.9%Flights205
Why flights run late
Delay causes
- Airline16%
- Weather0%
- Air traffic (NAS)12%
- Late aircraft73%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather88%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 8 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 ACK → HPN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 80% on time.
- Afternoons80% on time · p90 50 min · 198 flights · limited
- Evenings76% on time · p90 55 min · 385 flights
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