Originally Posted by
COpltASgldPHX
If I cancel a ticket on CO within the 24 hour window, the authorization never becomes a charge. A refundable ticket, however, will take anywhere from 5 to 7 business days or 7 to 10 calendar days, whichever comes first.

This is typically true except my last Refund within 24 hours happened 4 minutes before the cut off on an international ticket and thus I think it caused some problems with the processing times. Anyways, the refund came through today so I am happy.