I was on a flight Monday that was delayed by mechanical, forcing me to overnight in MSP. When I arrived at MSP, I got my boarding pass for the connection on Tuesday -- the machine spit out a bunch of vouchers for a hotel, breakfast, dinner and transportation. Since I already booked a hotel in MSP when I knew the connection would miss, I went to that hotel and showed them the voucher -- they didn't quite know what to do with it.
In the end, I didn't use any of the vouchers (breakfast was free at the hotel).
How does the hotel voucher work? Does DL have to make the arrangements?