Routes: AirAsia India will launch a daily Bengaluru-Surat A320 route on June 1. Read More » Jeju Air will add a daily Cheongju-Osaka-Guam B737-800 triangular route from July 21. Okay Airways will start a thrice-weekly Changsha-Cebu B737-800 service on June 10. Qatar Airways will deploy the A350-1000 on the Doha-Frankfurt route commencing July 1. Shenzhen Airlines has doubled Guangzhou-Phnom Penh from one to two daily A320 operations. Singapore Airlines will increase Singapore-Jakarta from 58- to 63-weekly beginning October 28. SriLankan Airlines will reduce Colombo-Bangkok from thrice daily to 17-weekly starting June 1. Tigerair Taiwan will increase Taoyuan-Naha A320 service from 14- to 17-weekly starting June 24; the LCC will also launch twice-weekly scheduled charter A320 flights between Taoyuan and Nagoya from July 1, as well as Taoyuan-Saga from July 29. Xiamen Airlines will add a four-weekly Quanzhou-Phnom Penh B737-800 route on June 27.