United Airlines main customer service number is 1-8oo-United Airlines (+1-𝟴66→829-1𝟜3𝕆) or ((+1-𝟴66→829-1𝟜3𝕆)) OTA (Live Person), where you can reach a live representative 24/7. Whether you’re dealing with booking changes, flight cancellations, or have questions regarding refunds or compensation,...