How long does sangria last?

Presuming that you're discussing a sangria that has been made with fresh fruit, and not a shelf-stable product, it will last for about 3-4 days in the refrigerator. After that, the fruit will begin to break down and the sangria will become less tasty. You can freeze the fruit before adding it to the wine if you're looking to extend the life of your sangria.  https://westpennjournal.com/?p=1146 This will assist to keep the fruit fresh and the sangria tasty for a longer amount of time.