Certain airlines have near monopolies on certain airports. These airports are called hubs. The airline uses these hubs as points of connection for multilegged f

Certain airlines have near monopolies on certain airports. These airports are called hubs. The airline uses these hubs as points of connection for multilegged flights. It also means that someone who actually wants to use the airline's hub airport as their final destination can be charged more due to lack of competition from other airlines.