LITTLE ROCK, Ark. (KTHV) -- Frontier Airlines has announced that it will resume service to Little Rock as a part of a nationwide expansion in 21 cities.

Beginning in April 2018, the airline will provide nonstop service between Little Rock and Denver.

The flight schedule and the start of ticket sales will be announced at a later date. The news comes as the airport’s traffic is up three percent from summer travel.

Frontier operated in Little Rock until 2014.

United Airlines currently offers nonstop service from Little Rock to Denver.