Originally Posted by Traveller
You can't compare a 42 minute mainline connection (especially from PHL) with a 30 minute DL Connection connection since the DL Connection flights are usually in the same concourse at ATL. I'd feel comfortable with both the 30 minute Delta Connection and 42 minute mainline connections and would pick that rather than spending 2.5 hours in ATL.
I could leave on a later flight from PHL and have about 1.5 hours in ATL.
When you would misconnect almost weekly if you did not have at least 90 minutes in ATL, you get sensitized. I agree that DL Connection Carriers may be better but that has not been my experience there either.