There is also a 737-ER in old Continental livery flying for 'United'... https://upload.wikimedia.org/wikipedia/commons/thumb/d/d2/United_Airlines_(Continental_Blue_Skyway_livery)_Boeing_737-924(ER)_N75436.jpg/1280px-United_Airlines_(Continental_Blue_Skyway_livery)_Boeing_737-924(ER)_N75436.jpg
I miss those days. Even though the biz class seats are obviously far better than the old days, pretty much everything else about flying is worse.