found the contract.
*NOT* Alaska
reciprocal accrual rate is $0.007 per mile. For XYZ air accruing on ABC air, ABC air would pay XYZ $0.007 x 500 = $3.50 per segment based on a 500 mile minimum. For ABC members on XYZ, XYZ would pay ABC same rate - so $0.007 x 2,500 miles = $17.50.
redemption rates, by segment
0 - 950 miles - $0.0775
951 - 1800 miles - $0.0575
1800+ miles - $0.0375
Premium cabin are 3x economy.