Frontier Airlines will boost the frequency of flights between New York LaGuardia and Denver from March 2012.
The carrier will add a third flight on the route, operated daily with Airbus A320 aircraft, on 25 March 2012.
From 16 April 2012, Frontier will add a six-times weekly flight on the route. This new flight will be operated with Airbus A319s.
With the new flights, Frontier will operate 26 times weekly between the two cities.
Southwest Airlines, US Airways and United Airlines operate between LaGuardia and Denver as well.