From Cirium:
On behalf of Cirium, the aviation analytics company, we wanted to share the below analysis which reveals the Most Connected Airports in North America, in 2024. These are airports with the most direct flights.
Chicago O’Hare tops the table, with 270 destinations served, of which 195 are domestic, and 75 are international. This is a major hub for United Airlines, who flies the most internationally among U.S. carriers. DFW is a close second. Note that Toronto Pearson airport is the best connected Canadian airport, and in the top 5 for North America. The most connected airport in the world is Istanbul Airport, with 309 destinations served.
| Code | Name | Total Destinations | Domestic | International |
| ORD | Chicago O’Hare International Airport | 270 | 195 | 75 |
| DFW | Dallas Fort Worth International Airport | 261 | 193 | 68 |
| ATL | Atlanta Hartsfield-Jackson International Airport | 237 | 158 | 79 |
| DEN | Denver International Airport | 229 | 194 | 35 |
| YYZ | Toronto Pearson International Airport | 202 | 34 | 168 |
| MIA | Miami International Airport | 198 | 88 | 110 |
| LAX | Los Angeles International Airport | 195 | 117 | 78 |
| JFK | New York John F. Kennedy International Airport | 193 | 70 | 123 |
| IAH | Houston George Bush Intercontinental Airport | 192 | 121 | 71 |
| CLT | Charlotte Douglas International Airport | 188 | 146 | 42 |
| EWR | Newark Liberty International Airport | 187 | 95 | 92 |
| MCO | Orlando International Airport | 177 | 112 | 65 |
| MSP | Minneapolis-Saint Paul International Airport | 175 | 140 | 35 |
| LAS | Las Vegas Harry Reid International Airport | 171 | 143 | 28 |
| YUL | Montreal-Trudeau International Airport | 161 | 33 | 128 |
| IAD | Washington Dulles International Airport | 152 | 91 | 61 |
| PHX | Phoenix Sky Harbor International Airport | 150 | 125 | 25 |
| FLL | Fort Lauderdale-Hollywood International Airport | 150 | 92 | 58 |
| BOS | Boston Logan International Airport | 145 | 85 | 60 |
| SFO | San Francisco International Airport | 145 | 90 | 55 |
