2 day minimum stay on DL. Yuck no way jose.
Now on UA/CO when leaving on a saturday, you can return on sunday. Although most dates I look at are 6.7CPM
WHEN DEPARTURE FROM FARE ORIGIN IS SUN THROUGH WED
THEN TRAVEL FROM LAST STOPOVER MUST COMMENCE NO
EARLIER THAN 3 DAYS AFTER DEPARTURE FROM FARE ORIGIN.
OR - WHEN DEPARTURE FROM FARE ORIGIN IS THU THROUGH FRI
THEN TRAVEL FROM LAST STOPOVER MUST COMMENCE NO
EARLIER THAN THE FIRST SAT AFTER DEPARTURE FROM
FARE ORIGIN.
OR - WHEN DEPARTURE FROM FARE ORIGIN IS SAT THEN TRAVEL
FROM LAST STOPOVER MUST COMMENCE NO EARLIER THAN
THE FIRST SUN AFTER DEPARTURE FROM FARE ORIGIN.