McClellan–Palomar Airport covers 466 acres (189 ha) and has one asphaltrunway, 6/24, 4,897 ft × 150 ft (1,493 m × 46 m).
In 2008 the airport had 192,960 aircraft operations, an average of 529 per day: 89% general aviation, 7% air taxi, 3% scheduled commercial and 1% military. 325 aircraft are based at this airport: 61% single-engine, 24% jet, 11% multi-engine and 4% helicopter.
It opened a $24 million airline terminal on January 29, 2009. As of October 26, 2010 Palomar Airport's long term parking rates (30 day max) increased to $5 a day (from $3 per day).
On January 24, 2006 a Cessna Citation V landing runway 24 on a flight from Friedman Memorial Airport in Hailey, Idaho burst into flames after crashing into a self-storage facility adjacent to the airport. All four aboard (two passengers and two crew) were killed; no one on the ground was hurt.
On July 3, 2007 a Beechcraft 90 King Air carrying two people crashed after taking off shortly after 6 am in dense fog. The aircraft hit power lines, which caused power outages for local residents and businesses. The two on board died.
On September 22, 2008 a Cessna 152 crashed just west of College Boulevard on the extended centerline after departing runway 24. The aircraft had two on board, who were both injured and evacuated by air.
On September 28, 2008 a Beechcraft Bonanza crashed southeast of the airport after the pilot aborted a landing attempt in fog. The pilot was alone and was killed.