Southwest Airlines had * billion available seat kilometers (ASKs) between September 2022 and August 2023. This is the highest number of ASKs registered among low-cost airlines. Ryanair came in second place with around billion ASKs during that time. Available seat kilometers demonstrates an airline's carrying capacity to generate revenue and is measured by multiplying the available seats on any given aircraft by the number of kilometers flown on any given flight.
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OAG. (September 13, 2023). Selected low-cost airlines' performance from September 2022 to August 2023 ( in billion available seats per kilometer) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1422565/low-cost-carriers-performance-available-seat-per-kilometers/
OAG. "Selected low-cost airlines' performance from September 2022 to August 2023 ( in billion available seats per kilometer) ." Chart. September 13, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1422565/low-cost-carriers-performance-available-seat-per-kilometers/
OAG. (2023). Selected low-cost airlines' performance from September 2022 to August 2023 ( in billion available seats per kilometer) . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1422565/low-cost-carriers-performance-available-seat-per-kilometers/
OAG. "Selected Low-cost Airlines' Performance from September 2022 to August 2023 ( in Billion Available Seats per Kilometer) ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 Sep 2023, /statistics/1422565/low-cost-carriers-performance-available-seat-per-kilometers/
OAG, Selected low-cost airlines' performance from September 2022 to August 2023 ( in billion available seats per kilometer) ÌÇÐÄÆƽâ°æ, /statistics/1422565/low-cost-carriers-performance-available-seat-per-kilometers/ (last visited July 23, 2026)
Selected low-cost airlines' performance from September 2022 to August 2023 ( in billion available seats per kilometer) [Graph], OAG, September 13, 2023. [Online]. Available: /statistics/1422565/low-cost-carriers-performance-available-seat-per-kilometers/
