Historical on-time performance
St. Louis to Cleveland
487 miData through Dec 2025Source: US DOT · BTS
Flights on STL–CLE arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 699 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 timep9025 minCancel0.6%Flights699
Why flights run late
Delay causes
- Airline24%
- Weather7%
- Air traffic (NAS)6%
- Late aircraft64%
- 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 → CLE
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 61% to 89% on time.
- Mornings89% on time · p90 15 min · 892 flights
- Middays88% on time · p90 15 min · 146 flights · limited
- Afternoons74% on time · p90 25 min · 148 flights · limited
- Evenings70% on time · p90 45 min · 679 flights
- Overnights61% on time · p90 50 min · 248 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 85% on time.
- Tuesdays85% on time · p90 20 min · 323 flights
- Wednesdays81% on time · p90 30 min · 323 flights
- Fridays79% on time · p90 30 min · 335 flights
- Mondays78% on time · p90 30 min · 338 flights
- Thursdays75% on time · p90 30 min · 332 flights
- Sundays75% on time · p90 40 min · 286 flights
- Saturdays74% on time · p90 35 min · 176 flights · limited
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