Spirit, Orlando’s No. 2 carrier, favors Frontier’s bid over JetBlue Spirit, Orlando’s No. 2 carrier, favors Frontier’s bid over JetBlue May 2, 2022 dzadmin Comments 0 Comment Spirit, based in the Broward County city of Miramar, and Denver-based Frontier rank as the second- and third-busiest airlines at Orlando’s airport, trailing Southwest.