Unfortunately, Delta said it had nothing for them upgrade-wise ... but at least if offered a congratulations and a warm welcome to the flight.
Hi, there. Congratulations, gold medal champions! We are honored to be your ride back home! While we don't have any upgrades to offer, we look forward to seeing you on board. Thanks for flying with us! *AJL
The curlers were gracious in their response, thanking Delta for looking into it and hoping for a smooth ride home. John and co. won the USA its first gold medal in the winter sport ever ... beating out Sweden for top honors.
Looks like an historic achievement only gets you so far in the world these days.