Carlsbad's airport, McClellan-Palomar airport, is the smallest commercial airport I have ever been to. The flight from LAX departed at 10:10 PM and arrived on time at 10:49 PM. It is operated by Skywest as a United Express flight, and it uses the Brazilian Embraer 120s. Naturally, no drinks or food were served on this short one-class flight.
This turned out to be an interesting and comfortable way to get into the San Diego area. Avis has a car rental desk at CLD, but we used the cheaper Budget agent at the nearby Holiday Inn.