Originally Posted by geometry

the route that I'm on is operated by 777-300ER... pretty sure UA has less than 20 of that type in its fleet.

I've been looking at the seat map for the flight for the last coupel of weeks. in the booking system, it always shows 2-4-2 with 19 being the first row. However, as soon as the flight shows up in UA's flight status page(T-72), it always become 2-4-2 with row 20 being the bulkhead) Does that mean people in those 3 row always get moved around on a daily basis?)