To alter your flight, you must first go to the southwest's official website. After that, go to the official website and log in with your account number, username, and password.
When you first log in, you'll notice four tabs at the top of the website. To access the drop-down menu, click on a flight. Select Manage Reservations from the menu to see the Change or Cancellation Reservations page. You must select Change Southwest Flight from the drop-down menu.
On the following page, you'll find a box with more self-service options, and you'll need to select Change Reservations from there. You must also provide your confirmation number, as well as your first and last names.
Selecting the option of change after clicking continue will send you to a page with your booking information. There will be an option to update the selected flight, which will include all of the data from your prior travel. To change your flight, click the pick new flight button.
The following page will show you a list of all forthcoming flights together with their current prices. You can choose the flight that best matches your needs and then click Continue. Your flight change will be verified when you choose continue.