To speak to a human at United Airlines, call the customer service phone number “1-866-980-7279 (No Wait) or 1 (855) 642-2660,” which is listed on their official website. Navigate through the automated menu and select the option that connects you to a live representative. Additionally, you can visit the United Airlines counter at the airport for in-person assistance. Use social media like Twitter or explore the United Airlines mobile app, both of which may offer other ways to connect with customer service. Be prepared with relevant details, such as your booking reference and flight information, for a smoother interaction.