YOU SAID:
I don't know whether or not the bus will still run this late on a Sunday
INTO JAPANESE
私はバスがまだ遅く日曜日にこれを走らせるかどうか分からない
BACK INTO ENGLISH
I do not know if the bus still runs late this will run on Sunday
INTO JAPANESE
私はバスがまだ遅く走るかどうか分からないが、これは日曜日に走る
BACK INTO ENGLISH
I do not know if the bus still runs late but this runs on Sunday
INTO JAPANESE
私はバスがまだ遅く走るのかどうか分からないが、これは日曜日に走る
BACK INTO ENGLISH
I do not know if the bus still runs late but this runs on Sunday
That didn't even make that much sense in English.