Career Mode Employees? Crew On? How does it work?

It seems that payments have started working more or less normally. But now I would like to know how it is calculated. I have 4 companies and 5 airplanes. Yesterday, I flew exclusively on a Cessna Caravan with DenAero Cargo and spent only about 3 hours in the air and this flight ended in an error. But the flight time in the table is 8 hours. At the same time, the Cessna 172 Cargo flew for 19 hours, and in the VIP and Jumping divisions only 3 hours.


question for the insurance. Only three of the five planes that flew for more than 8 hours were reimbursed. Those that flew for three hours were not covered by the insurance

UPD:
after diagnostics and repairs, the net profit from the five aircraft was 91,689 credits