I wouldn't worry too much. One of my writers was over a month late for all my schools (and still missing one). When I contacted the departments they pretty much said it doesn't matter how late it is and it happens all the time, as long as it is in before decisions are made.
Sure- 3.8 undergrad from state university, 3.9 grad gpa from East Coast university (masters in security studies).
Applied:
Ohio State
Minnesota
Washington-Seattle
Indiana (Public Policy)
Colorado
Cal-Davis (already accepted)
Maryland (Public Policy)