Historical on-time performance
Key West to Boston
1,373 miData through Dec 2025Source: US DOT · BTS
Flights on EYW–BOS arrive on time 61% of the time over the last 12 months.
On-time rate61%arrived within 15 min
p90 delay65 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-time61%Medianon timep9065 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline18%
- Weather0%
- Air traffic (NAS)51%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EYW → BOS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 65% on time.
- Middays65% on time · p90 70 min · 489 flights
- Afternoons51% on time · p90 135 min · 70 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 58% to 74% on time.
- Wednesdays74% on time · p90 65 min · 50 flights · limited
- Tuesdays73% on time · p90 50 min · 51 flights · limited
- Fridays64% on time · p90 65 min · 88 flights · limited
- Thursdays63% on time · p90 100 min · 86 flights · limited
- Mondays61% on time · p90 90 min · 88 flights · limited
- Saturdays60% on time · p90 70 min · 114 flights · limited
- Sundays58% on time · p90 70 min · 90 flights · limited
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