Frontier Airlines Cancels 7 Routes From World’s Busiest Airport: See List Now

Denver-based Frontier Airlines has cut seven routes from Chicago O’Hare International Airport (ORD) this year, as the airline redeploys its aircraft on more lucrative routes. O’Hare is the world’s busiest airport by the total number of flights, while Hartsfield-Jackson Atlanta International Airport (ATL) holds the title of the world’s busiest airport by the number of passengers served.