Originally Posted by
mmh_
Since it's a day flight I might just stick with it, but I'm wondering how much worse 10A compared to 10K?
I don't understand this question. 10A and 10K are both window seats.
Originally Posted by
mmh_
Other than that, would this be a good opportunity to ask for an upgrade considering flight's been cancelled?
You can always ask, but prepare your wallet. Unless there are operational reasons, you will most definitely not get a(n) (free) upgrade.