Originally Posted by Wooglin

Mostly due to (annoying) corporate travel policy.

Client will only cover flights if they're booked in Economy, which is normal. But this client also insisted that tickets be billed to a corporate card.

If I cancel and rebook into F, UA will refund the original charge and charge the new ticket price to my card, which won't fly. (Forgive the pun)

But if I TOD upgrade on my own dime, the original charge stays as-is, and the client isn't aware/affected.