FOR -D14 TYPE FARES
WHEN DEPARTURE FROM FARE ORIGIN IS SUN THROUGH THU THEN
TRAVEL FROM LAST STOPOVER MUST COMMENCE NO EARLIER THAN 3
DAYS AFTER DEPARTURE FROM FARE ORIGIN
OR - WHEN DEPARTURE FROM FARE ORIGIN IS FRI THROUGH SAT
THEN TRAVEL FROM LAST STOPOVER MUST COMMENCE NO
EARLIER THAN THE FIRST SUN AFTER DEPARTURE FROM FARE
ORIGIN.
Could do a Sat night Redeye and return Sunday, I think...