United Airlines main customer service number is 1-800-United Airlines (((🔰+1 877-593-92-86))) // ((🔰+1 877-593-92-86)) 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, speaking to a live person ensures prompt resolution. You can also reach out via United ’s live chat feature or email support for assista...