...
No. Paper tickets can't be changed online. A message appears informing the user to contact the agency for assistance with the exchange.
Can MCOs be exchanged with ATE?
No. Tickets with a non-readable ticket image (MCOs and paper tickets) can't be exchanged online with ATE.
Can users exchange a Southwest Direct Access (SDA) itinerary?
...
Yes. Enter a support case to start the process. See Entering a Support Case for instructions.
Is a contract addendum necessary to enable ATE?
...