Originally Posted by
WineCountryUA
You may be running into a few issues.
You are correct, the 24 hours cancel free window is based on who you made the purchase from.
Are you within 7 days of travel?
UA may charge a fee for taking over a TA ticket.
However, I would just call UA (immediately) and see if the agent will waive the change fee.
I just called. They said I would have to pay the $200 fee or contact my TA work through them.