Historical on-time performance
Columbus to St. Louis
410 miData through May 2026Source: US DOT · BTS
Flights on CMH–STL arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 672 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time83%Medianon timep9030 minCancel0.7%Flights672
Why flights run late
Delay causes
- Airline25%
- Weather2%
- Air traffic (NAS)6%
- Late aircraft67%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 → STL
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 — 93% on time.
- Mornings93% on time · p90 5 min · 952 flights
- Evenings81% on time · p90 30 min · 258 flights
- Overnights70% on time · p90 50 min · 635 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Wednesdays87% on time · p90 20 min · 306 flights
- Tuesdays86% on time · p90 20 min · 308 flights
- Mondays82% on time · p90 35 min · 313 flights
- Saturdays82% on time · p90 40 min · 143 flights · limited
- Fridays81% on time · p90 30 min · 313 flights
- Thursdays80% on time · p90 30 min · 310 flights
- Sundays79% on time · p90 30 min · 273 flights
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