Join Date: Jan 2010
Location: Calgary, Alberta
Programs: Hyatt Diamond, Fairmont Platinum, Aeroplan Diamond, HHonors Gold, SPG Gold
Posts: 18,686
Major carriers have an interline agreement..
IIRC two seperate PNRs can be done ahead of time..
Contacting the carrier and asking this question will clarify whether they will in fact do it for you..