Delta One, Premium Select, Comfort Plus, economy. The main cabin is the best value.

I did like the power sockets in Delta Premium Economy. Instead of the usual under ... the seat could be altered and how to do it, which drinks were complimentary, a bit of extra detail on there ...

One company’s example of how trade uncertainty is hurting the economy.

A step above economy, Delta's Comfort Plus provides slightly more legroom and priority boarding. For domestic itineraries, this class also receives alcoholic drinks and a better selection of snacks.