<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by azmojo:
On my trip to Australia in a month, on the return leg the flight changed and my ticket is now an F ticket instead of X or Z. Wooohoo! Double miles for a trip I didn't pay for! And to make things sweeter, that A/C is now a 777 Atlantic config 
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Explain please.
I thought F gives 1.5 miles not 2x.
What is the 777 Atlantic config have to do with Australia trip?