AA: BOS - SEA RT $275.60 7,362 miles 3.74 CPM
This is the first mileage run I am posting on this board. There is plenty of availability mid-January to early February. The mileage total includes all 500 mile minimum segments. All flight segments are on mainline AA metal.
For example, on January 23-24, 2016
BOS - PHL AA 632 5:30 AM - 6:59 AM Jan 23
PHL - PHX AA 707 8:20 AM - 11:52 AM Jan 23
PHX - SEA AA 413 2:50 PM - 4:56 PM Jan 23
SEA - PHX AA 442 5:59 PM - 9:43 PM Jan 23
PHX - PHL AA 2026 11:40 PM - 5:56 AM Jan 23
PHL - BOS AA 1818 8:15 AM - 9:37 AM Jan 24