I missed the bus yesterday and had to wait for 15-20 minutes. Then another bus came and I took that bus.
Is the grammar of this sentence fine?
I missed the bus yesterday and had to wait for 15-20 minutes. Then another bus came and I took that bus.
Is the grammar of this sentence fine?
It is, but if you want to avoid repetition of some words, you could say:
I missed the bus yesterday and had to wait 15 to 20 minutes for another one, which I then caught/took.