US transportation secretary Pete Buttigieg wants airlines to give FAA more advance notice when adding capacity or starting new service in crowded markets.
A total of 13 routes are being launched from the secondary airports in Chicago and Houston by Frontier, most of which are served by rival Southwest Airlines.
Spirit's network planning VP John Kirby told Routes Americas 2021 that Miami International’s decision to lower costs, coupled with soaring leisure demand, prompted the ULCC's big expansion in South Florida.