o.k., I don't get this ... check out some recent flight credits and tell me why I get different mileage for these flights
09/13/2008 CO 1803 LAX NYC L 100 % 2 454
09/13/2008 SPECIAL ELITE BONUS MILES 100% 2 454
08/30/2008 DL 079 NYC LAX U 100 % 2 475
08/30/2008 SPECIAL ELITE BONUS MILES 100% 2 475
08/31/2008 DL 610 LAX NYC U 100 % 2 469
08/31/2008 SPECIAL ELITE BONUS MILES 100% 2 469
well, I buy the CO ex-EWR thing, although NYC is NYC, but DL was both in/out JFK