2 RWY - 1 for landing and one for Take off: LHR, IAD
2 RWY - Both for landing and take off: MCT, LEJ
2 RWY - 1 for landing and 2 for take off: SYD
3 RWY - 3 for landing and 2 for take off: BKK
4 RWY - Soon IAD with the remodel, but it is not yet known how the RWY’s will be divided. Maybe 2 for landing and 2 for take off
Yes, it has an influence on the income.
At some airports, the ratio of landings to handling is 1:1 and the airport looks empty, but at BKK and LEJ, for example, you don’t have enough staff to handle all the aircraft directly, which makes the airport look busy and realistic