Under Southwest Airlines Flight Change Policy passengers can change or reschedule their flight easily. Dial +1-800-865-1848 to learn about its fees, rules, etc.

To reach a live person at United Airlines customer service for support, you can call their 24/7 United Airlines Phone number hotline at (1-855-542-9354).

https://pressbooks.pub/transporting/chapter/westjet-airlines-passenger-name-fix-call-for-assistance/

JetBlue Same-Day Flight Change Policy allows travelers to reschedule or change flight tickets without any fee. For further assistance dial +1-800-865-1848.

http://tiny.cc/szob001

https://www.devex.com/people/how-can-i-correct-the-name-on-my-westjet-flight-ticket-ota-assistance-2302222

Delta Airlines flight change policy permits flight change, same day change, and methods to book a cheaper fare. No Delta change fees within 24hrs of booking.