Booking an airline ticket requires careful attention to passenger details, especially information that must match your government-issued identification. One of the most sensitive details is the Southwest change dob. Even a small mistake can cause problems during check-in, security screening, or immigration clearance. If you’ve entered the wrong DOB on your reservation, understanding how to correct it is essential. This guide explains how to change DOB on United Airlines, what rules apply, and how to avoid issues before your trip.