The length of time does sangria last?

Assuming that you're discussing a sangria that has actually been made with fresh fruit, and not a shelf-stable item, it will last for about 3-4 days in the refrigerator.  https://westpennjournal.com/?p=711 After that, the fruit will begin to break down and the sangria will become less delicious. You can freeze the fruit before including it to the white wine if you're looking to extend the life of your sangria.  useful source This will help to keep the fruit fresh and the sangria tasty for a longer duration of time.