The current plan is for the WWE Network to debut in the first quarter of next year according to PWInsider.com.
Their report mentions that right now they are projecting a launch on February 24th, which would be the day after the Elimination Chamber pay-per-view event. Their report also suggests that a second source informed them that they don’t have an official date, however people in the company are working under the assumption that the WWE Network will be launched within the first quarter of next year.