Historical on-time performance
Kansas City to Houston
643 miData through Dec 2025Source: US DOT · BTS
Flights on MCI–IAH 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)
Cancelled2.1%of scheduled flights
based on 290 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time83%Medianon timep9025 minCancel2.1%Flights290
Why flights run late
Delay causes
- Airline67%
- Weather6%
- Air traffic (NAS)21%
- Late aircraft6%
- 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 MCI → 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 75% to 84% on time.
- Mornings84% on time · p90 20 min · 1,139 flights
- Evenings76% on time · p90 25 min · 71 flights · limited
- Afternoons75% on time · p90 55 min · 320 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Wednesdays86% on time · p90 15 min · 217 flights
- Saturdays83% on time · p90 25 min · 208 flights
- Tuesdays82% on time · p90 25 min · 221 flights
- Sundays82% on time · p90 25 min · 215 flights
- Mondays81% on time · p90 30 min · 221 flights
- Thursdays79% on time · p90 35 min · 225 flights
- Fridays79% on time · p90 30 min · 225 flights
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