รายได้อุตสาหกรรมสายการบินทั่วโลก

Revenue comes from passenger tickets (roughly 80%), cargo (about 12%), and ancillary services like baggage fees, seat selection, and onboard sales (about 8%). Despite enormous revenue, the industry operates on thin net profit margins averaging 3-5% in good years. Fuel costs represent about 25-30% of operating expenses.