I 3 version 1 6 1 KJFK 0 40.625369 -73.770347 3 RBV 0 40.202403 -74.495025 3 ETX 0 40.581028 -75.684028 3 DBL 0 39.439333 -106.894667 3 OAL 0 38.003250 -117.770444 1 KSFO 0 37.608985 -122.382200