As expected my KRK trip in May became simply a one way trip to ORD after the overnight schedule changes. The AA refund page showed all segments eligible for refund. It initially offered a mailed voucher for the full amount, expiring in a year. When I clicked on "see other refund options" a box popped up offering a 120% voucher. I was tempted as it would have meant an extra ~400 dollars but I said no thanks and the refund proceeded as normal, with a note that the refund would be posted to my original form of payment within 7 days. It was interesting that the 120% offer is made only after you decline the original voucher offer.