I travel Friday from ERI-MEM (through DTW).

My return is Monday. MEM-ATL-DTW-ERI. My ATL-DTW upgrade has cleared but not my MEM-ATL.... anyone know why this would be? I see plenty of seats open in F.... i don't understand why it upgraded me on one leg but not another.

Another strange bit... there are no early morning flights between MEM-DTW. I couldn't find anything before 10am. I just found that strange that there aren't more flights (especially morning) between the hubs. Is this due to some kind of scale back of MEM?