For your convenience, I've input the mileage zones and redemption requirements for economy and business class for each program below. (uponarriving.com)
On the flip side, redemption rates for economy and business - class flights are right in line with AAdvantage redemption rates. (thepointsguy.com)
Because Arrival Plus miles are worth the same amount for domestic and international flights in economy and business class, you'll always get the same value no matter how you use your miles. (rewardexpert.com)