https://community.platformio.org/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/49342
https://community.platformio.org/t/full-list-of-delta-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/49412
https://community.platformio.org/t/full-list-of-american-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/49441
 

https://community.platformio.org/t/full-list-of-united-airlines-customer-service-contact-numbers-in-the-official-complete-guide-2025/49693
https://community.platformio.org/t/full-list-of-delta-airlines-customer-service-contact-numbers-in-the-official-complete-guide-2025/49841
https://community.platformio.org/t/full-list-of-american-airlines-customer-service-contact-numbers-in-the-official-complete-guide-2025/49885