Originally Posted by
xliioper
Assuming OP is talking about UA1828. EF is showing weather as reason so UA unlikely to pick up hotel.
D FCF/MCO-ORD DELAY*ATC/WEATHER*PAX EXP
if indeed weather, OP (or rather, OPs wife) will have to rely on any travel insurance they may have - trip delay should cover overnight. Some credit cards have this if the ticket was paid for with it.