Mileage Run Discussion - Looking for Mileage Run from HSV to DCA/IAD on US Air

Hi, I am new to mileage run.
Am looking for a weekend run on US Air

Depart: Oct 31 or Nov 1 (HSV)
Return: Nov 2 or 3 (DCA/IAD)

Need 4.5k Miles or 7 segments to hit gold.

Thanks.