American Airlines leads with 1,715 aircraft, founded in 1926. United Airlines ranks second with 1,271 aircraft, largest Boeing operator. Delta Air Lines operates 1,271 aircraft, third largest globally. Southwest Airlines specializes in low-cost flights with 737 fleet
USAF operates about 550 KC-135 Stratotankers, including 253 active duty aircraft. Boeing built 732 KC-135s for USAF between 1957 and 1965. Aircraft serve in USA, France, Turkey and Singapore
Most airlines allow 62-inch checked bags up to 50 pounds. Baggage dimensions vary by airline and fare type. First checked bag fees vary by airline and route
Boeing delivered first KC-46A to USAF in January 2019. Program aims to replace 179 KC-135 tankers by 2027. Program generates over 50,000 jobs and involves 800 suppliers. USAF received 42 KC-46A as of January 2021
Victor airways use VOR/VORTAC navigation and are identified by "V" followed by number. Jet routes are black and identified by "J" followed by number. RNAV routes include Q, T, and Y types, depicted in blue on charts
United Airlines leads by fleet size and passenger destinations. Delta Air Lines tops by revenue, assets, market, and brand value. American Airlines Group leads by passengers and employees. FedEx Express excels in freight tonne-kilometers. Southwest Airlines leads by routes