Originally Posted by
PVDtoDEL
For a simple time change, they wouldn't have to reissue. Is there a routing change also involved?
His original routing was Bom-udr-del which they changed to Bom-ixu-del. the reason they change you to ixu is because both departure times are Similar compared to 660 which is at 1700 hours. They probably assumed you didn't want to go later in the day and hence put you on 442.