Seoul: Due to the spread of the omicron variant, South Korea's low-cost carriers stated Monday that flights on international routes have been delayed or decreased. Air Seoul Inc., a low-cost subsidiary of Asiana Airlines Inc., has pushed back its Guam flights from January 29 to March 27. Since the summer of 2020, Air Seoul has offered one flight per week on the routes from Incheon to Qingdao and Yantai in China, respectively, to accommodate business travel demands. Jeju Air Co., the country's largest low-cost carrier, said it will maintain two weekly flights between Incheon and Guam until February 26. It had intended to offer four flights per week on the route beginning Jan. 27. It also intends to run flights on the Busan-Saipan route until January 12, despite the fact that the route was reopened on December 29. T'way Air Co. has been operating two weekly flights between Incheon and Saipan, but has chosen to halt operations until January 28. Korean Air Lines Co. and Asiana Airlines Inc. are the two full-service carriers in South Korea, while Jin Air Co., Air Busan Co., Eastar Jet Co., Fly Gangwon, Air Premia Co., and Air Incheon Co. are the ten low-cost carriers.Air Incheon is a cargo airline, while the other nine low-cost carriers are passenger airlines. Quarantine regulations: Cathay Pacific suspends cargo flights Covid-19: US Airlines cancels more flights amid Omicron scare Afghanistan: 10000 People Infected With COVID-19, 650 Fatalities