both have service to IAH
and until recently service on DL
/MLB are good sized markets (400k metro) and I don't think either have service west of the Mississippi. DL
was doing some weekend DFW
/MLB service, but that is gone now.
HVN is also a large metro area with no service west of the Mississippi, since most people drive to BDL
or the NYC airports.
In the west (other than FAT
), I would guess BKL