When did Delta Air Lines introduce Premium Select?

Looking deeper at Delta's timeline with introducing Premium Select and how it fits within Delta's strategy.
Yahoo

I paid $639 to upgrade to Delta's Premium Select cabin on a 15-hour flight. It was a great alternative to business class.

The seats felt noticeably larger and more comfortable than those in economy. I was also impressed by the quality of my meals and snack options throughout the flight. I've traveled to 88 countries and ...
AOL

We upgraded to Delta One on our 10-hour flight. The trip was so good I didn't want it to end — and I don't like flying.

We upgraded to Delta One after realizing the premium seats weren't much wider than ones in economy. A nervous flyer, I was surprised how much I enjoyed the 10½-hour flight. I even fell asleep. All the ...

7 Airlines With The Most Comfortable Transatlantic Premium Economy Seats

The best of the most popular cabin class now.