Originally Posted by
allseas1586
I've had this happen multiple times over the past year or so in C+ - and they've been on 3-5 hour flights! Started just paying for a 20oz bottle at the airport and filling up a reusable water bottle before boarding.
For what they charge for a bottle of water in the terminal you could just upgrade to Business Class.
I bring an empty 20oz bottle from home and fill it in the terminal.