Historical on-time performance
Cincinnati to Houston
871 miData through Dec 2025Source: US DOT · BTS
Flights on CVG–IAH 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)
Cancelled1.2%of scheduled flights
based on 497 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time85%Medianon timep9025 minCancel1.2%Flights497
Why flights run late
Delay causes
- Airline44%
- Weather3%
- Air traffic (NAS)38%
- Late aircraft15%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CVG → IAH
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 69% to 87% on time.
- Mornings87% on time · p90 15 min · 1,190 flights
- Middays81% on time · p90 35 min · 143 flights · limited
- Evenings73% on time · p90 65 min · 253 flights
- Afternoons69% on time · p90 80 min · 321 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Saturdays86% on time · p90 20 min · 235 flights
- Tuesdays84% on time · p90 20 min · 261 flights
- Wednesdays84% on time · p90 25 min · 268 flights
- Thursdays82% on time · p90 25 min · 276 flights
- Mondays81% on time · p90 35 min · 294 flights
- Fridays79% on time · p90 35 min · 296 flights
- Sundays77% on time · p90 35 min · 277 flights
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