Historical on-time performance
Houston to Miami
955 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–MIA arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.6%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-time67%Medianon timep9045 minCancel0.6%Flights178
Why flights run late
Delay causes
- Airline29%
- Weather2%
- Air traffic (NAS)35%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly HOU → MIA
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 — 83% on time.
- Mornings83% on time · p90 25 min · 439 flights
- Evenings76% on time · p90 35 min · 402 flights
- Middays75% on time · p90 40 min · 504 flights
- Overnights65% on time · p90 45 min · 294 flights
- Afternoons57% on time · p90 80 min · 338 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 79% on time.
- Tuesdays79% on time · p90 35 min · 266 flights
- Mondays75% on time · p90 35 min · 302 flights
- Saturdays74% on time · p90 45 min · 265 flights
- Sundays73% on time · p90 40 min · 275 flights
- Wednesdays70% on time · p90 55 min · 265 flights
- Fridays70% on time · p90 45 min · 305 flights
- Thursdays67% on time · p90 50 min · 299 flights
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