https://ltccovid.org/wp-content/uploads/formidable/3/Full-List-Southwest-Airlines-Customer-Service-USA-Contact-Numbers-Guide.pdf https://ltccovid.org/wp-content/uploads/formidable/3/Full-List-Alaska-Airlines-Customer-Service-USA-Contact-Numbers-Guide.pdf https://ltccovid.org/wp-content/uploads/formidable/3/Full-List-Air-Canada-Customer-Service-USA-Contact-Numbers-Guide.pdf