Qatar Airways will increase Doha-Islamabad service from 7X- to 9X-weekly Sept. 3 and will add four flights to Muscat for a total of 35X-weekly beginning Sept. 16. Qatar also will begin 2X-weekly Doha-Asmara Airbus A320 service Dec. 4.

Aeromexico adds 2X-daily Monterrey, Mexico-Houston and daily Monterrey-Torreon service. Both begin Nov. 3 with 50-seat Embraer E-145s.

Hawaiian Airlines begins daily San Francisco-Kahului Airbus A330-200 service Dec. 17, after operating 4X-weekly from Nov. 20.

WestJet Encore begins daily Comox-Calgary Bombardier Q400 service Jan. 16, 2015.

Sunwing Airlines launches weekly seasonal service from Buffalo, New York: to Cancun Jan. 17-May 9 and to Punta Cana Feb. 14-May 9.

Virgin America will increase services that begin Oct. 13 with 3X-daily from Dallas Love Field to Washington National, San Francisco and Los Angeles to 4X-daily each beginning April 29, 2015.