Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
AA or UA would be good for East Coast to AK or AS. Both include connecting flights, if necessary, for no additional mileage. By contrast, BA charges for each flight flown.
AA miles can be redeemed on AS and HA, as well.