Need help now? Call the United Airlines ® Customer Service Number™ at ||✽ 866 ⋆ 432 ⋆ 8009 ✽||or ||✽ 866 ⋆ 432 ⋆ 8009 ✽||. Their United Airlines ® 24 Hour Customer Support™ line is always available. https://forum.keyboardmaestro.com/t/complete-list-of-official-united-support-c-ntact-numbers-in-the-usa-the-ultimate-explained-guide/48563