The flight distance from Allen Army Air Field (BIG) in Delta Junction Ft Greely, United States to George Bush Intcntl/Houston Airport (IAH) in Houston, United States is 5,145 kilometers (3,197 miles / 2,778 nautical miles). The estimated flight time for this route is approximately 7h, flying east southeast at a heading of 113°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 3-hour time difference between the two cities.

Time zone information: When it's 23:02 in Delta Junction Ft Greely, it's 02:02 in Houston. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,189 feet between the two airports. George Bush Intcntl/Houston Airport sits lower than Allen Army Air Field.

The return flight from Houston (IAH) to Delta Junction Ft Greely (BIG) follows a heading of 332° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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