Airport Codes
Quick Answer
Learn common airport codes, why airports use three-letter identifiers, and how codes help aviation communication.
- Topic: Aviation
- Best use: fast reference, learning, and clear communication.
- Updated: 2025-08-11
Airport codes are short identifiers used in tickets, baggage handling, schedules, weather, and aviation logistics. Most travelers know the three-letter IATA codes.
Why Codes Matter
Codes reduce ambiguity, speed up routing, and make it easier to display airport information in compact systems.
Common Airport Codes
| Code | Airport | City |
|---|---|---|
| ATL | Hartsfield-Jackson Atlanta International | Atlanta |
| BOS | Logan International | Boston |
| DFW | Dallas Fort Worth International | Dallas-Fort Worth |
| DEN | Denver International | Denver |
| JFK | John F. Kennedy International | New York |
| LAX | Los Angeles International | Los Angeles |
| MIA | Miami International | Miami |
| ORD | O'Hare International | Chicago |
| SEA | Seattle-Tacoma International | Seattle |
| SFO | San Francisco International | San Francisco |