Originally Posted by
WineCountryUA
on the 77x if row 20-22 are 2-4-2 vs 3-4-3 that means PP. Also unoccupied PP is purple in color vs E+ in Blue.
Not purple until United sells it for this route, which apparently it has not. So it’ll be all blue E+ until then but if it’s 2-4-2, it should be PP seat but regular economy service.