Answered by Shaykh Faraz Rabbani
Can a man lead his family in qada salaat?
Answer:

Walaikum assalam wa rahmatullah,
No, because it is invalid to pray makeups in congregation, unless both people are making up the very same prayer (same day, etc.). [Shurunbulali, Imdad al-Fattah Sharh Nur al-Idah]
Wassalam,
Faraz Rabbani
