Award Stopover/OJ Rules
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Oneway/RT
Star Alliance
Air Canada: ???/1 stop + 1 stop OR OJ
ANA: NA/4 Stop (max 1 per city) + OJ
Asiana: ???/4 stopovers and an OJ
BMI: Yes, except in Europe/???
Continental: ???/1 stop + OJ
Miles & More (LH,LX,OS,+) ???/???
Singapore
Turkish Airlines
United ???/1 stop OR OJ
US Airways NA/1 stop OR OJ
OneWorld
American Airlines ???/Only on international tickets for a North American gateway city
British Airways Yes, if most direct route/???
LAN
Qantas
Royal Jordanian
Sky Team
Alitalia
Air France/ KLM (Flying Blue) No/???
Delta NA/1 stop + OJ