I would see if you can change your reservations due to the scheduling change. Make sure that you determine the optimal routing for you prior to calling.

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Schedule Change, opportunities? http://flyertalk.com/forum/showthrea...chedule+change

PS If the schedule change was over 90 minutes, it would be easy. Not sure about 34 minutes. Does the schedule change force a change in your connecting flights? How late do you arrive at your destination? If the schedule change pushes you into rush hour traffic at you destination, you would have a better argument.

PPS I would also verify that my seat assignment has not changed with the schedule change.