Historical on-time performance
Cleveland to Boston
563 miData through Dec 2025Source: US DOT · BTS
Flights on CLE–BOS arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,676 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time82%Medianon timep9050 minCancel1.0%Flights877
- JetBlue AirwaysOn-time73%Medianon timep9060 minCancel1.6%Flights799
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)47%
- Late aircraft24%
- 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 CLE → BOS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 20 min · 2,076 flights
- Middays82% on time · p90 30 min · 1,575 flights
- Afternoons70% on time · p90 75 min · 420 flights
- Evenings68% on time · p90 80 min · 1,166 flights
- Overnights64% on time · p90 105 min · 135 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.
- Wednesdays85% on time · p90 25 min · 769 flights
- Saturdays84% on time · p90 25 min · 553 flights
- Tuesdays80% on time · p90 40 min · 786 flights
- Mondays78% on time · p90 45 min · 840 flights
- Thursdays77% on time · p90 55 min · 827 flights
- Fridays77% on time · p90 60 min · 830 flights
- Sundays75% on time · p90 60 min · 767 flights
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