Serving northern Alabama and southern Tennessee, the Huntsville International Airport (HSV) is located 10 miles southwest of downtown Huntsville. The airport – which has two runways and a single terminal with 12 gates – is served by American Airlines, Delta Air Lines, and United Airlines. Of these, Delta has the largest market share. Passengers can fly non-stop between HSV and about 10 other US cities. Parking is available directly adjacent to the terminal. Ground transportation options include taxis, limousines, buses, shared-ride vans and free hotel shuttles. Several rental car companies also have counters onsite at HSV.