Originally Posted by
kq747
This was definitely true for me recently. Booked BOS-DXB-BKK in Y flex and opted for a 6+hr layover so I could meet a friend for dinner when there was a ~3hr connection available for booking. When I upgraded the entire journey to J with miles, DC became available and I booked it and had no issues. By my reading, I shouldn't have qualified owing to the earlier flight so not sure if the fare class was the trigger. Just seems so random sometimes.
Conversely, I have a flight in paid J flex MEL to ADD In September.. Arrive DXB 13:00, departing the next day at 10:30. DC is offered.
7 weeks later, MEL to EBB in paid F flex, same flight into DXB. Arrive 13:00, departing 09:25 the next day. No DC offered.
In each case, there are alternative flights available out of MEL which could reduce connection time in DXB to around 4-5 hours.
So I can't see any correlation between ticket price or class of travel and the triggering of DC offers. I'm yet to notice any consistent pattern. I have to suspect their algorithm for generating the offers at time of booking is somewhat flaky.