An Alaska Airline's airship flying above snow-peaked mountains. Photo: @delta Source: Instagram. Alaska Airlines is the sixth-largest airline in North America when measured by scheduled passengers carried, fleet size, and the number of destinations served. In addition, it is among the oldest airlines in the US, with an incredible employee 1 day ago · Southwest Airlines, based in Dallas, Texas, boasts the largest fleet among all US airlines. With a total of 734 aircraft as of 2020, Southwest Airlines operates one of the most extensive fleets in the country. This figure also includes both the mainline and subsidiary aircraft under Southwest’s ownership, including the Boeing 737 series As expected, US carriers made a strong showing with American, Delta, United, Southwest, and Alaska Airlines all in the top 20. Low-cost carriers Ryanair, EasyJet, and IndiGo all placed in the top Editorial Team Airbus A350-900 Cathay Pacific. The Airbus A350-900 is a wide-body, 325 seat passenger plane that is part of the new generation of aircraft made by Airbus. The A350-900 is one of its different configurations that provide long-distance routes of up to 19 hours and is said to fly further than any other known commercial plane in the world. In 2021, the global commercial airline fleet consisted of over 26,000 aircraft. This statistic is a testament to the sheer size of the global commercial airline fleet. It speaks to the immense scale of the industry, and the sheer number of aircraft that are in operation around the world. American Airlines is well-known for being the world’s largest airline when it comes to fleet size too. The airline boasts a staggering 920 aircraft in its fleet, including 303 Boeing 737-800s and 218 Airbus A321s. Its long-haul flights are operated by the Boeing 777-200ER, Boeing 777-300ER, Boeing 787-8, and Boeing 787-9. Airline Ranking. United Airlines is one of the world’s two airlines with a fleet size larger than 800 aircraft. With 834 aircraft, Untied Airlines ranks as North America’s and the world’s second-biggest airline. Airline Background. United Airlines is another major airline in the United States. LAN Airlines. IATA Designator: LA, ICAO Designator: LAN, Callsign: LAN. LAN is Chile's national flag carrier, the largest airline in the country and one of the largest airlines in Latin America. LAN operates an extensive network of both domestic and international flights to destinations in Latin America and the United States, to Canada, Mexico 1. IndiGo (6E), 303 Aircraft. IndiGo is India’s largest airline in terms of fleet size and passenger market share. As of February 2023, the low-cost carrier has a fleet of over 300 aircraft and operates more than 1,400 daily flights to 60 destinations across India and abroad. 6E is known for its low-cost business model and on-time performance In 2020, there were a total of 158 aircraft lessors in the world. Air Lease Corporation's fleet size 2015-2021; Sources of aircraft finance in the aviation industry 2016-2021; VVLc.