First off, I've been a long time reader and avid supporter of A.Net. I have learned many things over the years reading everything that all you insightful members know. Thank you for the dedication, support and knowledge of the aviation world.
Now on to my question at hand. I tried searching for this but I could not find anything and if this is not the right place for this particular question, please inform me of where it should be and move accordingly. Also point me to a topic that may have already been discussed that answers this question if its out there.
When flights are delayed/cancelled due to the any number of reasons, what does the departing airport as well as the arrival airport do in response to that situation? I'm assuming a small regional airport would react differently compared to JFK or LHR. If the airport is highly slot restricted like LHR, do they try and squeeze in the delayed flight whenever it arrives or does LHR tell "x airline" that they should delay 2 hours because their arrival would then fall at a time when a gate could be open. If it is a small airport and they close at a certain time, would the airline just cancel the flight and rebook passengers or would they request the airport stay open so there is not backlog of passengers?
If someone has some insight as to what the procedure is like at their home airport/airline, I would love to know the exact process. This has always been a question in my mind.