Historical on-time performance
Nantucket to New York
Flights on ACK–LGA arrive on time 75% of the time over the last 12 months.
based on 334 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- JetBlue AirwaysOn-time82%Medianon timep9030 minCancel1.6%Flights62
- Republic AirwaysOn-time74%Medianon timep9075 minCancel4.0%Flights272
Why flights run late
Delay causes
- Airline39%
- Weather2%
- Air traffic (NAS)29%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline8%
- Weather42%
- Air traffic (NAS)50%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 12 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 → LGA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 78% on time.
- Middays78% on time · p90 60 min · 745 flights
- Afternoons66% on time · p90 90 min · 464 flights
- Evenings64% on time · p90 70 min · 109 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 79% on time.
- Thursdays79% on time · p90 55 min · 197 flights · limited
- Saturdays75% on time · p90 60 min · 191 flights · limited
- Tuesdays75% on time · p90 75 min · 162 flights · limited
- Mondays72% on time · p90 70 min · 192 flights · limited
- Fridays71% on time · p90 75 min · 205 flights
- Wednesdays69% on time · p90 75 min · 160 flights · limited
- Sundays64% on time · p90 105 min · 211 flights
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