Dragonite
dragon dance(boosting)
dragon claw(reliable stab)
E-quake/waterfall(coverage over rock)
Fire punch(covers ice weakness)
or
Dragon pulse(STAB)
Surf(covers rock)
Ice beam/thunderbolt(coverage)
flamethrower(covers ice)
Salamence
dragon dance(boosting)
dragon claw(reliable stab)
E-quake(coverage)
Stone edge(covers ice)
or
Dragon pulse(STAB)
Flamethrower(covers Ice)
Hydropump/hp(water/ground)
substitute/focus blast(filler)
so Dragonite has the diverse and reliable movepool while Salamence has a more shallow and hard hitting unreable movepool