Not so much with a fly swatter (https://en.wikipedia.org/wiki/Fly-killing_device#Flyswatter https://en.wikipedia.org/wiki/Fly-killing_device#Flyswatter). I'd s

Not so much with a fly swatter (https://en.wikipedia.org/wiki/Fly-killing_device#Flyswatter https://en.wikipedia.org/wiki/Fly-killing_device#Flyswatter). I'd say the tick speed is relevant, but much more important is avoiding air draughts that propel the flies out of the way.