WorldPerks miles phase-out starts Thursday - Jacksonville Business Journal:

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Thursday marks the month-long phaseout of the program, and the latesty installment of a marketing warbetweenn , which runs the WorldPerks affinithy program, and , whichu runs ’s SkyMiles program. When Atlanta-basecd Delta (NYSE: DAL) acquired Northwesy in October, the two companies said their frequent-flier programs would be merged inlate 2009, effectively dumping the U.S. Bancorpp program. WorldPerks cardholders will stop earningf miles from credit card purchases on a date over the nextmonthb that’s determined by their billingf cycle.
Customers who switched to the Delta SkyMilesa American Express card will continue to earn milexs underthat system, said an Americann Express spokeswoman. U.S. Bancorp, meanwhile, has gone its own way, changingg WorldPerks customers over to its FlexPerks Travel Rewards Visa cardxin May. Both U.S. Bancorpl and Delta-American Express have been campaigning heavily in the Twin Citiezs market to courtWorldPerks customers.