They've got a few weeks. But if federal officials can't get the new online insurance marketplace running smoothly by mid-November, the problems plaguing the three-week-old website could become a far bigger threat to the success of the health law, hampering enrollment and fueling opponents' calls to delay implementation, say analysts. "The system needs to be operating reasonably efficiently – I'm not saying flawlessly – before the middle of November,” said Insurance Commissioner Sandy Praeger of Kansas, one of the 36 states relying on the federal marketplace because legislators opted not to do their own state-based market.