To change a name on an United Airlines ticket, you can do so for free within 24 hours of booking. After that, fees may apply, typically around $125 for Main Class tickets. If you're wondering how to change name on United Airlines ticket or how to change passenger name on United ticket, minor corrections, like fixing a spelling error, are free within 24 hours and can be done online. For how to change name on United flight ticket due to marriage, divorce, or adoption, you'll need legal documents and may incur a fee. You can modify your name online, via phone at +?-???-???-????, the mobile app, or at the airport counter. For AAdvantage members, name changes may be free. For any inquiries on how to change name on United ticket, contact customer service at the provided number.