Originally Posted by
EJetter
It's UHT from concentrate juice, the same used in all cabins except First. Currently it's actually a blend of clementine and orange due to a worldwide shortage of orange juice and corresponding cost increase – if you're not expecting it the slightly different taste can be jarring at first. It does need to be properly shaken before pouring, as otherwise it can end up tasting like the watered down hotel breakfast buffet juice you allude to.
without wanting to turn this into a thread about Orange Juice, it is certainly darker lately (and thanks for explaining why) but BA have always used the cheapest of cheapest brands which looks like it’s from a corner shop. Tropicana it is not. I seem to remember flying with BACF and the orange juice tasted freshly squeezed