Originally Posted by sailingfun

How the trips are covered is pretty specific. I don’t think there is even a mechanism where they can run coverages concurrently. The scheduler pulls the coverage run for that trip. If after 30 minutes the trip has not been accepted by a pilot they are required to pull the coverage again. They often fail to do this in the interest of workload. If on the other hand a pilot calls and wants it on a WS I am sure they would pull the coverage again in exactly 30 minutes.