Join Date: Jan 2004
Location: SFO, SJC, OAK, LVK AA Lifetime Plat 2MM, LUV A-List, Hyatt Gold, SPG Lifetime Gold, Commercial Pilot (not employed by airlines)
Posts: 1,531
Becuase UA knows that since sitting for long periods can cause blood clotting in the legs and you are no longer allowed to stand near the lavatories while on board the walk to the gate the only excerise you will likely see for the evening.