Citing regulatory delays, Comcast Corp. says it now doesn't expect to close on its deal with Time Warner Cable Inc. until mid-2015.

Company officials previously said they thought they could close the deal in early 2015. Even after months of exhaustive review, none of the main state and federal regulatory agencies have made a decision on the $45 billion deal that would combined the nation's largest and second-largest cable companies.

David Cohen, Comcast executive vice president, disclosed the new timetable in a blog posting on Wednesday.

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