Airport shuttle vs private car service Ontario CA is a common decision travelers face when planning airport transportation. Both options can get you to Ontario International Airport (ONT), Los Angeles International Airport (LAX), or nearby airports, but they offer very different travel experiences. The right choice depends on your schedule flexibility, luggage needs, travel purpose, and comfort expectations. Airport shuttles are typically shared transportation services designed to move multiple passengers along a route with scheduled stops. Private car service, on the other hand, is a reserved transportation experience tailored to your itinerary, offering direct travel, professional chauffeurs, and predictable timing. Understanding the differences helps you avoid delays, manage travel stress, and choose the best option for your specific travel day. This guide compares shuttle and private car service across reliability, pricing, comfort, timing, and business travel suitability so you can confidently select the best airport transportation solution in Ontario.