The domestic flights of each country, based on the duration of the trip, will determine the level of the flight class for the destination based on that, and according to the request index of the travel applicants, these flights will be determined along with the airport facilities.

Based on this, airlines provide facilities such as services and advertisements according to the passenger volume index, travel time.

Meanwhile, airport services based on domestic trips can be provided at different levels, which will be somewhat similar in each airport.