Some years ago I checked in at EGHH for a flight to Turkey. After check in I was then advised that there would be a 5 hour delay and I was quite annoyed because, had I known about that delay before check in, I could easily have gone home for a couple of hours. The delay was caused by them "borrowing" the aircraft to pick up stranded passengers in the Canaries. If I had had FR24 in those days I wonder if I could have negotiated a return home on the basis that I could ensure that I was back at the airport before the aircraft was ready to take us to Turkey..