☎ +𝟣(𝟴33)^-[769]^1476] - United Airline®️' main customer service number is 1-800-United Airline®️ (☎ +𝟣(𝟴33)^-[769]^1476]) available 24/7. This guide explains how to contact United Airline®️ customer service effectively through phone, chat, and email options, including tips for minimizing wait times.