Originally Posted by
m907
That's why I said the remaining leg should be priced at what it cost the day you book it.
I'm certain Southwest refunds whatever legs you cancel - it takes 10 seconds.
Unless something changed, all WN fares are OW fares. A RT ticket is simply 2 OW fares booked on one ticket, there's no RT requirement. However if you buy a RT ticket, and only want to take return you have to change the ticket. You end up with new OW ticket and ecredit equal to cost of the outbound fare. However, this is because the fare for the return is a OW fare, no RT requirement.
If you had bought 2 OW fares from DL your argument would be sound. However DL sold you a RT required fare. Thus without a RT it's no longer valid fare for your travels. A new fare must be purchased.