| 100% | SYD | 3 | Code for the busiest airport in Australia |
| 82% | BOS | 3 | Code for the busiest airport in Massachusetts |
| 62% | ATL | 3 | Code for the world's busiest airport |
| 60% | SYD | 3 | Code for Australia's busiest airport |
| 56% | SYD | 3 | Man's name that's the code for Australia's busiest airport |
| 52% | ATLANTA | 7 | City with the busiest airport in America |
| 52% | OHARE | 5 | Busiest airport in the Midwest |
| 51% | ATL | 3 | Busiest airport in the southern US |
| 51% | ATL | 3 | Busiest airport in the world: Abbr. |
| 51% | ATL | 3 | City with the busiest airport in the world (Abbr.) |
| 49% | ATL | 3 | Code for Georgia's busiest airport |
| 49% | SYD | 3 | Code for Australia's largest airport |
| 48% | MEX | 3 | Code for Latin America's busiest airport |
| 48% | DFW | 3 | Abbreviation for the largest airport in Texas |
| 47% | SYD | 3 | Airport code in New South Wales, Australia |
| 47% | NED | 3 | Country code for Holland in the Olympics |
| 46% | UAL | 3 | ICAO code for the transportation company HQed in Chicago's Willis Tower |
| 46% | CIAMPINO | 8 | Second airport in Rome, with the code CIA |
| 46% | LGA | 3 | Airport code in the Big Apple |
| 46% | LAX | 3 | Busiest airport on the West Coast of the US, for short |
| 45% | LAX | 3 | Airport code for California's busiest airport |
| 45% | ATL | 3 | Code of the world's busiest airport |
| 45% | SYD | 3 | Airport code for Australia's largest city |
| 45% | FAIRISLE | 8 | Airport with the code FIE, in Shetland |
| 45% | SYD | 3 | Code for an airport that serves the capital of New South Wales |
| 45% | PORT | 4 | ___ Campbell, national park in Australia known for the Twelve Apostles |
| 45% | MEL | 3 | Airport code for Australia's second largest city |
| 45% | SEATAC | 6 | Large airport in the state of Washington, for short: Hyph. |
| 45% | LOS | 3 | The "L" in the airport code "LAX" |
| 44% | EUR | 3 | Three letter code for the currency spent in France |