Jeff -
okay,  here's an earlier outbound -- please review -- these are getting 
ticketed today one way or the other!

Outbound: 
UNITED AIRLINES #492 Departs Wed. 13JUN SFO @ 12:20PM Arrives Denver 3:49PM

Return: (same as before)
UNITED AIRLINES #533 Departs Fri. 15JUN DENVER @ 2:35PM Arrives SFO 4:04PM

Re: your Hertz rental car -- Cynthia says just return it when you're done 
with it -- they'll readjust the rate accordingly!

THanks,
Joseph