To contact a live representative at United Airlines , call their 24/7 customer service hotline at 1-{888}-447-6313 or 1-800-United Airlines . You can also use their website’s live chat or email for assistance http://travel-airlines-helpcenter.zohosites.in/blogs/post/Multiple-Ways-to-Call-How-Do-I-Talk-to-Someone-at-United-Airline-A-Step-by-Step