Historical on-time performance
Miami to Houston
955 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–HOU arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 178 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9055 minCancel1.1%Flights178
Why flights run late
Delay causes
- Airline10%
- Weather3%
- Air traffic (NAS)23%
- Late aircraft63%
- 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 MIA → HOU
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 · 638 flights
- Afternoons76% on time · p90 50 min · 98 flights · limited
- Middays69% on time · p90 55 min · 460 flights
- Evenings61% on time · p90 90 min · 749 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 77% on time.
- Tuesdays77% on time · p90 45 min · 267 flights
- Wednesdays76% on time · p90 55 min · 265 flights
- Mondays73% on time · p90 50 min · 302 flights
- Sundays72% on time · p90 55 min · 275 flights
- Saturdays72% on time · p90 55 min · 265 flights
- Fridays71% on time · p90 45 min · 305 flights
- Thursdays70% on time · p90 65 min · 294 flights
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