Historical on-time performance
Houston to Cleveland
1,091 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–CLE 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)
Cancelled1.0%of scheduled flights
based on 930 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 minCancel1.0%Flights930
Why flights run late
Delay causes
- Airline37%
- Weather13%
- Air traffic (NAS)11%
- Late aircraft39%
- 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 IAH → CLE
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 927 flights
- Afternoons80% on time · p90 45 min · 893 flights
- Middays80% on time · p90 70 min · 158 flights · limited
- Evenings73% on time · p90 55 min · 1,133 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 85% on time.
- Thursdays85% on time · p90 30 min · 448 flights
- Tuesdays82% on time · p90 35 min · 436 flights
- Saturdays81% on time · p90 35 min · 420 flights
- Fridays81% on time · p90 35 min · 455 flights
- Sundays79% on time · p90 40 min · 448 flights
- Wednesdays78% on time · p90 40 min · 443 flights
- Mondays76% on time · p90 45 min · 462 flights
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