| Answer | Crossword Clue |
|---|---|
| SFO | CA's second-busiest airport |
| OHARE | World's second-busiest airport |
| OHARE | America's second-busiest airport |
| OHARE | World's second busiest airport |
| OHARE | Second-busiest U.S. airport |
| OHARE | The world's second-busiest airport |
| SFO | Calif.'s second-busiest airport |
| SFO | California's second-busiest airport, after LAX |
| OHARE | America's second-busiest airport, by passenger count |
| LAX | Second-busiest airport in the U.S. |
