Great-circle route MIA ↔ IAH. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample. The two directions are not identical — that is normal on scheduled routes.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| MIA → IAH Miami to Houston |
61/wk | Daily | American Airlines, Frontier Airlines, United Airlines |
| IAH → MIA Houston to Miami |
65/wk | Daily | American Airlines, Frontier Airlines, United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 961,704 passengers on 7,431 flights between MIA and IAH — about 2,636 a day — filling 76% of the 1,259,764 seats flown. American Airlines Inc. carried the most passengers (38%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
3 airlines fly the MIA–IAH nonstop, including American Airlines, Frontier Airlines, United Airlines.
Recent scheduled departures on this route have used the Airbus A320 NEO, Boeing 737-800, Boeing 737, Boeing 737-900.
Aircraft assignments change by season and by time of day.
The distance between Miami International Airport and George Bush Intercontinental Houston Airport is 963 miles, or 1,550 kilometres.
| Great-circle distance | 963 mi |
| Kilometres | 1,550 km |
| Nautical miles | 837 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 3 airlines fly the route nonstop, with about 126 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 2h 29m in the air. That is a great-circle estimate from the 963-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 61 a week from Miami to Houston and 65 a week from Houston to Miami, from our most recent schedule sample.
American Airlines, Frontier Airlines, United Airlines.
In 2025, airlines reported 961,704 passengers on 7,431 scheduled flights between MIA and IAH — about 2,636 a day — filling 76% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Airbus A320 NEO, Boeing 737-800, Boeing 737, Boeing 737-900. Assignments change by season and by time of day.
