Originally Posted by
xjaehyun
As long as it’s not a basic economy ticket, it is fully refundable, even the taxes and fees. I’ve booked, cancelled and rebooked international flights on Delta and the miles refund hits my account not too long after cancelling.
I'm not sure this is true for tickets originating outside of the USA, but in the OP's case of a ticket from MSP, providing it's not BE, it's fully refundable with no fees.