Historical on-time performance
Key West to Boston
1,373 miData through May 2026Source: US DOT · BTS
Flights on EYW–BOS arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled3.2%of scheduled flights
based on 62 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time69%Medianon timep9060 minCancel3.2%Flights62
Why flights run late
Delay causes
- Airline6%
- Weather0%
- Air traffic (NAS)9%
- Late aircraft85%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather50%
- Air traffic (NAS)50%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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