https://www.transfermarkt.com/united-flight-date-change-policy/thread/forum/696/thread_id/34935/page/1#anchor_35215

https://www.transfermarkt.com/united%F0%9D%92%9C%F0%9D%92%BE%F0%9D%93%87%F0%9D%93%81%F0%9D%92%BE%F0%9D%93%83%F0%9D%91%92%F0%9D%93%88-flight-date-change-policy/thread/forum/696/thread_id/34935/page/1#anchor_35215