seatmap.com may be "helpful", but it don't tell you what you want to hear.

At Continental F0 is the natural state, on rare occasions, if the orbs are misaligned, or revenue management's computer burps, or if the wizards of OnePass are absolutely positively convinced that they ain't gonna sell the seats, they will throw a bone to the dumb, but loyal NonePass critters.

F3 or F4 the day after ain't worth you-know what.

One airline can make a difference, but I can't remember which one!