Houston (HOU) to Miami (MIA): On-Time Performance
Data through July 2026
Houston (HOU) to Miami (MIA) is a thinner route than most in this dataset — 288 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 61% arrived on time, noticeably below the national average of 78%.
- On-time
- 61%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 0.79
- last 12 months
- Duration
- 2h 26m
- scheduled
- Distance
- 955 mi
Monthly on-time trend
Best time to fly from HOU to MIA
Aim for departures around 10 a.m. (84% on-time); avoid 2 p.m. departures (27%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 59% | 28 min |
| Tuesday | 57% | 28 min |
| Wednesday | 58% | 26 min |
| Thursday | 57% | 21 min |
| Friday | 59% | 22 min |
| Saturdaybest | 74% | 16 min |
| Sunday | 57% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations30%
- National airspace system28%
- Weather4%
Frequently asked questions
- How often are flights from HOU to MIA delayed?
- 39% of HOU–MIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 23 minutes.
- What is the best time of day to fly from HOU to MIA?
- Departures around 10 a.m. have the best record (84% on-time), while departures around 2 p.m. have the worst (27%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HOU to MIA?
- The scheduled HOU–MIA flight time averages 2h 26m over 955 miles. Actual arrival times vary — flights on this route land 15+ minutes late 39% of the time.
- How often are HOU to MIA flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from HOU to MIA?
- March 2026 was the roughest month in this dataset, with only 23% of arrivals on time. The best was November 2025 at 85%. If your dates are flexible, that 62-point gap is worth planning around.
Explore related pages
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Related guides
Based on 648 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.