When bringing along your little one, you'll need to list them as a passenger on your UA ticket. Infants under the age of two can be transported without a fare. You can/may choose to buy a ticket for your infant, which will allow them to have their own area and possibly a crib. To include an infant, you'll need to reach out via their website You'

Needing to update the passenger name on your United Airlines flight ticket can be a common occurrence. While it's best to get this sorted out ahead of time you depart, They do offer alternatives for making these changes. You might need to contact United Airlines immediately. Be prepared to give your booking reference number and other relevant infor