The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Castle Airport (MER) in Atwater, United States is 2,469 kilometers (1,534 miles / 1,333 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 296°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.

Time zone information: When it's 08:18 in Houston, it's 06:18 in Atwater.

The return flight from Atwater (MER) to Houston (IAH) follows a heading of 102° (east southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the George Bush Intcntl/Houston Airport (IAH) and Castle Airport (MER) detail pages, or use our flight duration calculator to compare other routes.