https://www.transfermarkt.com/quick-steps-for-rescheduling-date-on-delta-airlines-flight-ticket-/thread/forum/6https://www.transfermarkt.com/quick-steps-for-rescheduling-date-on-delta-airlines-flight-ticket-/thread/forum/696/thread_id/16241/page/1#anchor_16695https://www.transfermarkt.com/quick-steps-for-rescheduling-date-on-delta-airlines-flight-ticket-/thread/forum/696/thread_id/16241/page/1#anchor_1669596/thread_id/16241/page/1#anchor_16695