Originally Posted by
Kacee
Unlikely. LAS is not a premium route (except during CES, when you may see lie-flats).
Mostly agree, though noting for the record that DL did have that brief experiment where one of the daily JFK-LAS frequencies was marketed as D1 (the same time that they were also doing one daily JFK-SAN and I think one or two others)
EDIT: oh, I replied w/o looking and forgot the original question was about PHL

nvm