Historical on-time performance
Columbus to Boston
640 miData through May 2026Source: US DOT · BTS
Flights on CMH–BOS arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,918 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time81%Medianon timep9035 minCancel2.2%Flights1,918
Why flights run late
Delay causes
- Airline22%
- Weather3%
- Air traffic (NAS)51%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline19%
- Weather45%
- Air traffic (NAS)36%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 42 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 CMH → 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 — 91% on time.
- Mornings91% on time · p90 10 min · 1,940 flights
- Middays86% on time · p90 20 min · 1,816 flights
- Overnights79% on time · p90 50 min · 227 flights
- Evenings71% on time · p90 70 min · 961 flights
- Afternoons67% on time · p90 85 min · 623 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Saturdays87% on time · p90 20 min · 513 flights
- Tuesdays87% on time · p90 20 min · 837 flights
- Wednesdays85% on time · p90 25 min · 842 flights
- Thursdays82% on time · p90 40 min · 850 flights
- Sundays81% on time · p90 45 min · 809 flights
- Fridays80% on time · p90 50 min · 859 flights
- Mondays79% on time · p90 45 min · 857 flights
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