Historical on-time performance
Kansas City to Houston
643 miData through May 2026Source: US DOT · BTS
Flights on MCI–IAH arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 331 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time87%Medianon timep9020 minCancel0.3%Flights331
Why flights run late
Delay causes
- Airline58%
- Weather3%
- Air traffic (NAS)25%
- Late aircraft14%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 20 min · 1,131 flights
- Afternoons76% on time · p90 60 min · 310 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 88% on time.
- Wednesdays88% on time · p90 10 min · 207 flights
- Tuesdays84% on time · p90 25 min · 212 flights
- Sundays82% on time · p90 25 min · 208 flights
- Mondays82% on time · p90 25 min · 213 flights
- Fridays81% on time · p90 30 min · 220 flights
- Saturdays81% on time · p90 25 min · 207 flights
- Thursdays80% on time · p90 35 min · 220 flights
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