Historical on-time performance
Cleveland to St. Louis
487 miData through Dec 2025Source: US DOT · BTS
Flights on CLE–STL arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 701 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time85%Medianon timep9025 minCancel1.4%Flights701
Why flights run late
Delay causes
- Airline36%
- Weather1%
- Air traffic (NAS)13%
- Late aircraft49%
- 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 CLE → STL
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 73% to 92% on time.
- Mornings92% on time · p90 5 min · 830 flights
- Middays90% on time · p90 15 min · 417 flights
- Evenings79% on time · p90 35 min · 476 flights
- Afternoons73% on time · p90 40 min · 163 flights · limited
- Overnights73% on time · p90 45 min · 229 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 87% on time.
- Wednesdays87% on time · p90 15 min · 323 flights
- Tuesdays87% on time · p90 15 min · 323 flights
- Thursdays86% on time · p90 20 min · 332 flights
- Mondays86% on time · p90 25 min · 338 flights
- Fridays84% on time · p90 25 min · 335 flights
- Sundays83% on time · p90 30 min · 287 flights
- Saturdays82% on time · p90 30 min · 177 flights · limited
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