Originally Posted by
Lux Flyer
By the letter of the policy it is one free change after a qualifying schedule change event. ....
Not sure where that policy is published, it is neither in
Schedule Change Policies | United Airlines
or
Agency Rebooking Parameters
I have seen a "one time free change" in some emails after a schedule change but have never heard of that being enforced when better options occur, Seems to be if a reasonable request, it is possible.