Originally Posted by
redbaronahp
lga/320/d
lga/320/d
lax/320/i
lax/320/i
lga/737/d
lax/320/i
lax/320/i
lax/320/i
mia/737/i
mia/737/i
lax/320/i
mia/737/d
lax/320/i
lax/320/i
lga/737/d
mia/737/i
mia/737/i
lga/320/d
lax/320/i
lax/320/i
lax/320/i
lga/320/d
lga/737/d
lga/320/d
lax/320/i
lga/737/d
mia/737/i
lga/320/d
lax/320/i
lax/320/i
mia/737/i
mia/737/i
lga/737/d
lga/737/d
lga/737/d
lga/737/d
phl/190/i
phl/190/i
phl/190/i
phl/190/i
How do the /d and /i differ?