No... Delta is WORSE! (tastes great less filling!)
As a CO platinum I always clear BF. On Delta I have weeks where I want to buy and upgrade and they Have all the upgrade seats gone. On every flight. And the cabins are empty. That super firm cap, just doesn't exist the same way at CO. They don't hold as many seats for sale at 3 days. Delta is TOUGHER to get by far. And don't forget the seats are crap in comparison to CO.