SWA-PA-03729 1 SA-20 BOEING PROPRIETARY SUPPLEMENTAL AGREEMENT NO. 20 to PURCHASE AGREEMENT NO. 03729 between THE BOEING COMPANY and SOUTHWEST AIRLINES CO. Relating to Boeing Model 737-8 and 737-7 Aircraft THIS SUPPLEMENTAL AGREEMENT NO. 20 (SA-20),...Letter Agreement • February 6th, 2024 • Southwest Airlines Co • Air transportation, scheduled
