Sometimes, they love to fly and it shows. I find that at times like these, DL really can shine turning lemons into lemonade.
Several years ago, my family (5) were stranded in a blizard overnight on the Tarmac at JFK on a KL flight (DL Y award). The following day, DL accepted my suggestion to book us all into the only seats open on DL metal (right before Xmas)... In BE.