Historical on-time performance
Boston to Key West
1,373 miData through Dec 2025Source: US DOT · BTS
Flights on BOS–EYW arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 31 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time87%Medianon timep9010 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline78%
- Weather0%
- Air traffic (NAS)22%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BOS → EYW
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 82% on time.
- Tuesdays82% on time · p90 35 min · 51 flights · limited
- Thursdays80% on time · p90 30 min · 86 flights · limited
- Wednesdays78% on time · p90 35 min · 50 flights · limited
- Mondays77% on time · p90 40 min · 88 flights · limited
- Sundays74% on time · p90 40 min · 90 flights · limited
- Fridays72% on time · p90 55 min · 90 flights · limited
- Saturdays66% on time · p90 85 min · 114 flights · limited
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