How do you carry as Janna, in low elo

https://preview.redd.it/5pbs3dm0yvde1.png?width=639&format=png&auto=webp&s=f4b6cab404eb782be271a642656bed3406a251a1

I will literally play a perfect laning phase nearly every game alongside my adc, but there is always one or two teammates who lose lane BAD, like 0/10 bad. Im in low elo and I dont understand if there is something more I could be doing, or is this just bad luck.