https://ia902907.us.archive.org/4/items/airlines-servise-guides/Southwest-Airlines-CUSTOMER-SERVICE-contact.pdf
https://ia902907.us.archive.org/4/items/airlines-servise-guides/_American%20-Airlines-CUSTOMER-SERVICE.pdf
https://ia902907.us.archive.org/4/items/airlines-servise-guides/delta-Airlines-CUSTOMER-SERVICE-contact-guide.pdf
https://ia902907.us.archive.org/4/items/airlines-servise-guides/delta-Airlines-CUSTOMER-SERVICE-contact.pdf
https://ia902907.us.archive.org/4/items/airlines-servise-guides/united-Airlines-CUSTOMER-SERVICE-contact.pdf

https://ia600906.us.archive.org/17/items/airlines-travels/air-canada-24-7-live-support-contact-guide.pdf
https://ia600906.us.archive.org/17/items/airlines-travels/american-contact-numbers-for-passenger-support.pdf
https://ia600906.us.archive.org/17/items/airlines-travels/complete-united-customer-service-contacts.pdf
https://ia600906.us.archive.org/17/items/airlines-travels/southwest-customer-assistance-phone-directory.pdf
https://ia600906.us.archive.org/17/items/airlines-travels/united-live-agent-phone-help-24-7.pdf