Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.601 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)

You might consider crediting the miles to Aegean Airlines if your UA booking class earns 100% of flown miles in Aegean's program. With only 20,000 credited miles, Aegean will give you Star Alliance Gold status, which will give you lounge access when flying on UA or another Star Alliance carrier paid ticket (even on a domestic UA flight). But given the fares you quoted, my suspicion is that they are from a fare bucket that would only earn 50% of flown miles.