San Diego International Airport Sets New Passenger Record in 2025

Why It Matters

The growth underscores SAN’s rising role as a West Coast gateway, driving regional economic activity and prompting further infrastructure investment.

Key Takeaways

• 25.32 M passengers in 2025, 0.3% rise over 2024.
• New Terminal 1 drove 11% Q4 traffic increase.
• 14 new/resumed nonstop routes added, including Amsterdam and Panama.
• International passenger volume grew 8% year‑over‑year.
• Airport contributes ~$12 B to regional economy, creates jobs.

Pulse Analysis

San Diego International Airport’s 2025 passenger surge reflects a broader rebound in U.S. air travel, but the airport’s single‑runway configuration makes each incremental traveler more consequential. While a 0.3% rise may appear modest, crossing the 25‑million threshold places SAN among the nation’s busiest single‑runway hubs, intensifying competition with nearby facilities such as LAX and SFO. Airlines are responding by expanding route networks, leveraging SAN’s proximity to biotech, defense, and tourism markets to capture high‑value traffic that previously routed through larger airports.

The opening of the first phase of Terminal 1 was a catalyst for the record year. Designed with larger gates, streamlined security lanes, and enhanced retail space, the terminal attracted carriers like JetBlue and Breeze Airways to relocate from Terminal 2, instantly boosting passenger throughput by more than 11% in the fourth quarter. Operational efficiencies—shorter walk times, improved baggage handling, and upgraded passenger amenities—have translated into higher customer satisfaction scores, a metric increasingly tied to airline slot allocations and future service commitments. The terminal’s success also validates the Airport Authority’s phased expansion plan, which aims for a 30‑gate configuration by 2028.

Beyond aviation metrics, SAN’s growth fuels a $12 billion economic engine for the San Diego region. Direct airport operations, ancillary services, and the ripple effect on hospitality and logistics generate thousands of jobs, with the full Terminal 1 project projected to add over 25,000 positions and $2 billion in wages. This economic momentum positions SAN as a strategic asset for businesses seeking reliable global connectivity, encouraging further foreign investment and reinforcing the city’s status as a tech and biotech hub. Continued passenger growth will likely prompt additional runway or airspace enhancements, ensuring the airport can sustain its upward trajectory in the competitive West Coast market.