Dell Flight Strip (FAA LID: 4U9) is a public-use airport located one nautical mile (1.85 km) northwest of the central business district of Dell, in Beaverhead County, Montana, United States.

It is owned by the Montana Department of Transportation Aeronautics Division[1] and provides general aviation service.

The airport was built by the United States Army Air Forces about 1942 as an emergency landing airfield for military aircraft on training flights.

[4] Dell Flight Strip covers an area of 147 acres (59 ha) at an elevation of 6,007 feet (1,831 m) above mean sea level.

For the 12-month period ending September 25, 2009, the airport had 950 general aviation aircraft operations, an average of 79 per month.