FlyerTalk Forums - View Single Post - AA/JL & UA/NH: SAN-NRT-CGK $650+ 18.3K miles <4cpm
Old Sep 17, 2015 | 2:25 am
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gary_nj
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Join Date: Apr 2005
Location: CMH, sometimes AVP, formerly down the Shore
Programs: UA 1K/3MM, AA EXP/3MM, DL MM, former fan of TWA
Posts: 1,920
Booking these flights with an AA code will net 100% mileage earning in AAdvantage (although I don't know much about the challenge rules). United's program earns mileage based on the operating carrier, while American's program earns mileage based on the code used on the ticket.
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