United Airlines has one of the strangest first class set-ups in it's Boeing 777-200 domestic series ... where the cabin is set-up in the 2-4-2 setup ... tightest first class set up with seat width. 

That being said, I took this route on a short flight between Los Angeles and Houston ... so considering the short 3 hour distance to be on this aircraft is quite comfortable for a domestic route within the US.

I wouldn't purchase this cabin though on international flights, as it's nowhere near the same standard as other top tier airlines.

Which airline cabin do you prefer for first/business class?