Historical on-time performance
St. Louis to Columbus
410 miData through Dec 2025Source: US DOT · BTS
Flights on STL–CMH arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 669 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time82%Medianon timep9030 minCancel0.9%Flights669
Why flights run late
Delay causes
- Airline35%
- Weather3%
- Air traffic (NAS)6%
- Late aircraft56%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly STL → CMH
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 71% to 92% on time.
- Mornings92% on time · p90 10 min · 873 flights
- Middays86% on time · p90 30 min · 108 flights · limited
- Afternoons75% on time · p90 30 min · 52 flights · limited
- Overnights73% on time · p90 50 min · 253 flights
- Evenings71% on time · p90 50 min · 676 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 84% on time.
- Tuesdays84% on time · p90 30 min · 314 flights
- Wednesdays83% on time · p90 25 min · 314 flights
- Fridays83% on time · p90 30 min · 311 flights
- Saturdays81% on time · p90 30 min · 122 flights · limited
- Mondays80% on time · p90 25 min · 314 flights
- Sundays79% on time · p90 35 min · 277 flights
- Thursdays78% on time · p90 40 min · 310 flights
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