https://discuss.haiku-os.org/t/delta-airlines-support-usa-contact-numbers-a-comprehensive-guide/17657 https://discuss.haiku-os.org/t/american-airlines-support-usa-contact-numbers-a-comprehensive-guide/17677 https://discuss.haiku-os.org/t/united-airlines-support-usa-contact-numbers-a-comprehensive-guide/17690 https://www.biggerpockets.com/forums/48/topics/1254851-full-list-of-air-canada-customer-contact-numbers-in-the-usa-a-official-2025 https://www.biggerpockets.com/forums/48/topics/1254873-full-list-of-air-france-customer-contact-numbers-in-the-usa-a-official-2025 https://discuss.haiku-os.org/t/air-canada-u-a-support-numbers-for-u-s-travelers-2025-guide/17414 https://discuss.haiku-os.org/t/full-list-of-british-airways-customer-contact-numbers-in-usa-a-ultimate-step-by-step-guide/17423 https://discuss.haiku-os.org/t/full-list-of-qatar-airways-customer-contact-numbers-in-usa-a-ultimate-step-by-step-guides/17403 https://discuss.haiku-os.org/t/southwest-airlines-customer-service-usa-contact-numbers-a-step-by-step-full-guide/17829 https://discuss.haiku-os.org/t/british-airways-customer-service-usa-contact-numbers-a-step-by-step-full-guide/17852 https://discuss.haiku-os.org/t/qatar-airways-customer-service-usa-contact-numbers-a-step-by-step-full-guide/17843