https://chandoo.org/forum/threads/complete-list-of-air-canada-support-contact-numbers-in-the-usa-the-ultimate-explained-guide.60209/ https://chandoo.org/forum/threads/complete-list-of-alaska-airlines-support-contact-numbers-in-the-usa-the-ultimate-explained-guide.60233/ https://chandoo.org/forum/threads/complete-list-of-southwest-airlines-support-contact-numbers-in-the-usa-the-ultimate-explained-guide.60255/