No, I think it went like this:
You were 8 hours away, with 8 hours in your pool. One hour extra because of delays.
The turn changed. The 8 hours left in your pool were used up. You got 8 new hours for the turn change, of which one was used up (because of the delay). You end up with 7 hours.
I could be really wrong, though. I find travel hopelessly complicated