Checking ONT TSA Wait Times before heading to the airport can make your trip much easier. While this airport is known for being efficient, security lines can still grow during busy travel periods like mornings and weekends. Arriving early gives you enough time to move through each step without feeling rushed. If you have flexibility, choosing midday or late evening flights can help you avoid crowds. Staying organized with your documents and carry-on items also speeds up the process. With a little preparation, you can pass through security smoothly and begin your journey with confidence.