Originally Posted by martian
Does anyone know if changes to the routing are permitted once the first leg of travel has been started?
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and I understand that date changes are no problem even once travel has commenced. is that right?
Provided you have an all-UA itinerary, you can make date and/or routing changes. Date changes are free. Routing changes would incur a fee ($100, IIRC) unless you are a 1K.