Makani Kai Air will expand its Hawaii interisland service and fly between Molokai and Maui starting on June 1. The Honolulu-based airline will operate six roundtrip flights daily between Kahului, Maui and Hoolehua, Molokai, and twice-a-week flights between Kapalua on Maui and Kalaupapa on Molokai. The company began flying from Oahu to Molokai in 2013 and added more flights last year due to strong demand. The U.S.