Generally all debit transactions take approx three working days to reach any merchant account but credit transactions take up to 7 days.
Cash flow shouldn't be a problem if budgets are in place and if there's limited cash flow no doubt the CAA will close them down before they do themselves!!!
For AOC holders such as Jetstream ("Silverstream") express they will hold a significant financial bond with the CAA and also a further bond with their bankers for business accounting. All the merchant banks have been stung beofre and are very savvy when it comes to airline failures.
I think they will get the numbers on ABZ after Citystar built up the route but the volume will not be on BHD or SOU or someone will need very deep pockets to support its development.