DLs Y+ to become true W product? By › Forums › Civil Aviation › DLs Y+ to become true W product? Tagged: Comfort+, Delta Air Lines This topic contains 0 replies, has 1 voice, and was last updated by Sebastien 3 years, 3 months ago. Viewing 1 post (of 1 total) Author Posts November 17, 2015 at 16 h 05 min #3497 SebastienKeymaster It would seem that this is step 1 into making Delta Comfort a true Premium Econ product. Book Comfort+ as a fare on Delta Air Lines Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.