Originally Posted by
flyerCO
You're confusing totally different products only offered in separate markets. D1 is offer on international flights and JFK-LAX/SFO only. There is no First class on these flights. Only Business which is what D1 is. First class is only offered on domestic and some short haul international flights.
PS is the new cabin on international flights. It's basically Comfort+ but at an upgraded level for international flights. Seat and meal wise it will be close to domestic First service.
Funny, ps is what UA has called its premium transcon service for many years.