4 April 2019 APAC Advisory – Thailand: Airport congestion during Songkran April 5, 2019 by Arissara Wuttiket Congestion is expected in Thailand’s six major airports before and after the Songkran festival, the country’s New Year, from April 13 to 17 this year. To access this content, you must purchase One Day Access, Seven Day Access, Fourteen Day Access, One Month Access or One Year Access.