To contact a live representative at United Airlines , call their 24/7 customer service hotline at or 1-800- United Airlines ( +1–888-349^6414) . You can also use their website’s live chat or email for assistance. Whether you’re changing a flight, handling a booking issue, or need general support, speaking with a live agent is the fastest way to get help. This guide outlines all contact methods and suggests the best times to call. When you need help from United Airlines , knowing the right way t...