Historical on-time performance
Cincinnati to Boston
752 miData through May 2026Source: US DOT · BTS
Flights on CVG–BOS arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled2.8%of scheduled flights
based on 1,861 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time92%Medianon timep9010 minCancel0.6%Flights336
- Republic AirwaysOn-time74%Medianon timep9060 minCancel3.3%Flights1,525
Why flights run late
Delay causes
- Airline20%
- Weather3%
- Air traffic (NAS)56%
- Late aircraft21%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline17%
- Weather35%
- Air traffic (NAS)48%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 52 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 CVG → BOS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 2,234 flights
- Middays81% on time · p90 35 min · 1,054 flights
- Overnights74% on time · p90 65 min · 144 flights · limited
- Evenings70% on time · p90 75 min · 1,356 flights
- Afternoons69% on time · p90 70 min · 695 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 85% on time.
- Saturdays85% on time · p90 20 min · 602 flights
- Wednesdays83% on time · p90 30 min · 825 flights
- Tuesdays80% on time · p90 30 min · 809 flights
- Sundays79% on time · p90 55 min · 759 flights
- Thursdays79% on time · p90 50 min · 821 flights
- Mondays76% on time · p90 55 min · 834 flights
- Fridays76% on time · p90 55 min · 833 flights
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