Originally Posted by Dark Blue

I flew back from HND today, we landed 45 min earlier.

I went to the toilet about 1.5 hours before the landing, the water did not come out. I asked a pilot chatting to other staff members just outside of the toilet, he said it's an issue with the water system. I was not sure if this particular toilet had the issue or not. Then, the announcement on the water issue was made, basically water ran out due to the longer flight time (we flew to the UK via Alaska).

My outbound had no issue, but is this common for ultra long hauls...?