Each of the given trigrams is an IATA airport code, which can be translated into the name of a city.
- ATL = Atlanta, GA
- BUF = Buffalo, NY
- CRW = Charleston, WV
- BLV = St. Louis, MO
- MSN = Madison, WI
- LIT = Little Rock, AR
- BIS = Bismarck, ND
- PUB = Pueblo, CO
- MCI = Kansas City, MO
- COS = Colorado Springs, CO
- SAF = Santa Fe, NM
- LAX = Los Angeles, CA
- FLG = Flagstaff, AZ
- GEG = Spokane, WA
- MSO = Missoula, MT
- SEA = Seattle, WA
The given route can be plotted on the map as so:
The path spells out the letters IAH, which is the IATA code for the primary HOUSTON airport.