| 100% | PANAMA | 6 | First airline to complete a round-the-world flight |
| 48% | INTERLINE | 9 | Using multiple airlines to complete a journey |
| 47% | BEA | 3 | Flyer that performed the world's first automatic landing on a commercial flight on June 10, 1965 (abbr.) |
| 46% | PANAM | 5 | First airline to fly a jumbo jet |
| 46% | PANAM | 5 | First airline to use 747s for commercial flights |
| 45% | MARLINS | 7 | Florida squad that was the first to win two World Series titles as a wild-card team |
| 44% | OYSTER | 6 | The world, to a go-getter? |
| 43% | WILMA | 5 | Considered the world's fastest woman in the 60s, she became the first American woman to win three golds in a single Olympic Games |
| 42% | MMIII | 5 | A century after the Wright brothers' first flight |
| 42% | RUBENXAUS | 9 | First Spanish rider to win a race in the Superbike World Championship; at Oschersleben, Germany, in 2001 |
| 42% | ABCS | 4 | The alphabet, to a first-grader |
| 42% | SPOTIFY | 7 | Music streaming platform where Taylor Swift set a world record for being the first female artist to amass 100 million monthly listeners |
| 41% | WILEYPOST | 9 | First person to fly solo around the world (1933) |
| 41% | FDR | 3 | First prez to appoint a woman to the cabinet |
| 41% | EYEMASK | 7 | Worn to keep the light out on a flight |
| 41% | USA | 3 | First nation to put a man on the moon |
| 41% | MCCLURE | 7 | First explorer to find a route around the Americas |
| 41% | MONEY | 5 | It makes the world go round, per a “Cabaret” song |
| 41% | SEE | 3 | Billie Eilish wants the world to __ her in a crown |
| 41% | HAYES | 5 | First president to have a telephone in the White House |
| 41% | BONO | 4 | First musician to be a ''Time'' Person of the Year |
| 41% | HIROSHIMA | 9 | First city to fall to the A-bomb |
| 41% | ONEPIN | 6 | The first to go on a strike, usually |
| 40% | PARALLELPARKS | 13 | Completes a road test maneuver ... or the answers to starred clues, as arranged |
| 40% | OPEL | 4 | Automotive company that conducted the world's first rocket-powered flights |
| 40% | FILLMORE | 8 | First president to have a stove in the White House (1850s) |
| 40% | VIKINGS | 7 | First group of Europeans to colonize the New World |
| 40% | LACONIA | 7 | First ship to offer round-the-world cruises |
| 40% | MOTOROLA | 8 | The first company to sell a cellphone, in 1973 |
| 40% | MIRABEL | 7 | The first Madrigal grandchild to not get a gift |