If you've ever faced a United Airlines missed flight, don’t panic—there are options to resolve. United may board you on the next available flight, especially if you arrive within two hours of your original departure (called the “flat tire rule”). However, rebooking may involve a fee depending on your fare type. Always check with customer service ASAP. For detailed guidance at visit Airlinestravelhelp.com, They provide step-by-step help for passengers dealing with missed flights etc.