Zone A
BOS
DCA
LGA
PHL
PIT
Zone B
ATL
BNA
MCO
TPA
FLL
Zone C
ATW
CMH
DEN
DSM
FNT
GRR
IND
MCI
MKE
MSN
MSP
OMA
Zone D
DFW
Zone E
LAS
PHX
SEA
SFO
LAX
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