Too Long; Didn't Read
The Wright brothers flew the first plane in 1917. The focus for airlines was luxury. As time has passed, their focus has shifted from luxury to revenue. Airlines not only make money from passengers, they also work with businesses to generate revenue. The price of cargo depends on the size, weight, type, and type of cargo. The airline wants revenue for flights on their books as soon as possible. To fill up flights, they make the tickets cheaper when the flight is far out. The cheapest a passenger can get a flight is 12 to 9 months out.