Zapdos is B+ material at this point, its just that imo it has to choose whether to stop birspamm or to defog. Birdspamm can overwhelm it thanks to Azelf leading with SR. If its double defog or the static set that issue is irrelevant and birspamm cries. Unlike Rotom-W, the second bulky electric of OU, it has reliable recovery which is pretty huge and its movepool makes sure that only a few mons in the tier can get in without paying for it. Martin said the rest already.