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Story summary
- Hartsfield-Jackson Atlanta International Airport remains the busiest U.S. airport by passenger traffic, handling over 106 million passengers in 2025.
- Its dominance stems from efficient hub operations for Delta Air Lines, which connects millions of travelers.
- Chicago O'Hare International Airport leads in aircraft movements, recording 857,392 operations in 2025.
- The discrepancy underscores different operational strategies, with ATL optimized for high passenger throughput and ORD for frequent take-offs and landings.
