Historical on-time performance
Nantucket to Washington
Flights on ACK–DCA arrive on time 71% of the time over the last 12 months.
based on 224 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-time78%Medianon timep9025 minCancel1.1%Flights92
- Republic AirwaysOn-time66%Medianon timep9035 minCancel8.3%Flights132
Why flights run late
Delay causes
- Airline8%
- Weather0%
- Air traffic (NAS)60%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather67%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. 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 → DCA
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 — 76% on time.
- Middays76% on time · p90 45 min · 628 flights
- Evenings58% on time · p90 65 min · 200 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 58% to 77% on time.
- Mondays77% on time · p90 40 min · 122 flights · limited
- Wednesdays77% on time · p90 30 min · 107 flights · limited
- Thursdays76% on time · p90 35 min · 118 flights · limited
- Tuesdays76% on time · p90 60 min · 111 flights · limited
- Fridays70% on time · p90 60 min · 121 flights · limited
- Saturdays66% on time · p90 50 min · 154 flights · limited
- Sundays58% on time · p90 75 min · 125 flights · limited
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