Most airlines and airports have passengers that get to board the aircraft early, these are usually people with disabilities, unaccompanied minors and people who have high frequent flier status.
I was wondering if something like this could be implemented in the game at some point? (I know its not a priority) You would have to make sure that you could get those passengers to the aircraft well before the boarding time, this could also delay some boarding if they are late with the pre boards. Sometimes if they aren't at the gate at the right time they have to wait until all the other passengers have boarded the flight.
Post your opinions and additions below!