Originally Posted by
CaptainMiles
That would be for nonstops, which don't actually exist on this route. On UA you can route via SFO for 5278 PQM (for elites, with 500 minimum on SFO-SNA), making it 3.71 CPM. Getting there.
Actually I calculated out of ATL-DFW-SNA route, which is pretty close to nonstop from ATL to SNA (3,838 miles)
Updates: a lot of same day return for this route in August, September. Some itineraries make one-stop at ORD, which is 800 more miles than ATL-DFW-SNA