We also flew Delta in November/December, but were forced to check our carry-on bags in Raleigh. We were told that the bins were full, but when we boarded, the bin above our seats was completely empty. After having gone to all the effort of packing carry-on only for a three week trip, it was highly annoying. But, Delta got us there on time, and home only an hour later than scheduled; much better than our usual AA experience.