https://library.fortlewis.edu/Portals/1/LiveForms/temp/%F0%9D%94%BDree-%F0%9D%95%8Balk-can-i-use-my-phone-as-a-boarding-pass-in-southwest-%C2%AE%EF%B8%8F-%E3%80%941%E3%80%95-855%E2%AC%8C510%E2%AC%8C5815-%E2%86%AB.pdfhttps://library.fortlewis.edu/Portals/1/LiveForms/temp/%F0%9D%94%BDree-%F0%9D%95%8Balk-can-i-use-my-phone-as-a-boarding-pass-in-southwest-%C2%AE%EF%B8%8F-%E3%80%941%E3%80%95-855%E2%AC%8C510%E2%AC%8C5815-%E2%86%AB.pdf