Originally Posted by
keretey
It is reasonable sometimes to act fast.
If you see e.g. that your only alternative (later) flight this day holds 1-2 places free, then I am normally trying to act as fast as possible, even before first flight takes place...
IME if you can afford an extra day (in terms of time) it pays off to be lazy (but vigilant) in these situations. You usually get to your destination in a reasonable time window and compensation requests are (more) straightforward.