air
airline
airplane
airport
arrival
bag
baggage
blue
business
cart
check
checkin
depart
departure
empty
flight
fly
hall
inside
interior
international
journey
leave
line
lock
luggage
metal
pack
passenger
plain
plane
pushcart
queue
row
stack
station
suitcase
terminal
transit
transport
transportation
travel
trip
trolley
urban
vacation
wait
wheel