Can the A321 not be EOW equipped or did US just choose it that way?
Airbus needs to make a 'sturdier" A321 an A322? that could really compete with a 757. Better wing, little more capacity, range, ETOPs for transatlantic, be perfect for US.
321 could never do what the 757 can do---one leg of which was ----Orange Co CA to PIT --182 folks--packs off--flaps 20 takeoff with an alternate---off a 5600 ft RWY.
Now that's an airplane!