Wrong Birthdate on United Ticket How to +1-844-570-3589 Correct It easily by contacting support early providing valid ID and confirming updated details before travel for smooth boarding experience Entering passenger details correctly while booking a flight is very important. One of the most critical details is the date of birth. Airlines use this information for security checks ticket validation and age based fare rules. However mistakes can happen. If you notice a wrong birthdate on your United ticket it is important to correct it as soon as possible to avoid travel issues. This guide explains how to correct a wrong birthdate on a United Airlines ticket what steps to follow and how to ensure a smooth journey.