Originally Posted by
BigFlyer
If the answer is yes, does the 24-hours start ticking again from the time of the issuance of the ticket at the new fare basis, do I keep the 24-hour period I already had, or does the ticket become non-refundable when the fare basis is changed.
And one more question - if the change is possible, can it be done by Twitter, or do I have to call?
IME the 24hrs is a one time thing. If you change your existing ticket you're still only entitled t
the same initial 24hrs. If you cancel and rebook you get a fresh 24hr period.
I'd doubt very much that UA would be willing to change your ticket via Twitter. I would call in.