Average TSA wait times at ONT by hour of day, based on historical data and traveler reports.
Time
Avg Wait
Data Source
TSA Checkpoints at ONT
Terminal 2 Checkpoint — Terminal Terminal 2
Terminal 4 Checkpoint — Terminal Terminal 4
Frequently Asked Questions
What is the current TSA wait time at ONT?
The current estimated TSA security wait time at Ontario International Airport (ONT) is approximately 12 minutes (estimated data, last updated 6/4/2026, 5:33:26 PM).
What is the best time to go through TSA at ONT?
The quietest time for TSA security at Ontario International Airport is typically around 2:00 AM with an average wait of 999 minutes. The busiest time is around 8:00 AM with waits averaging 0 minutes.
How many TSA checkpoints does ONT have?
Ontario International Airport has 2 TSA security checkpoint(s): Terminal 2 Checkpoint, Terminal 4 Checkpoint.
Does ONT have TSA PreCheck?
Yes, Ontario International Airport (ONT) offers TSA PreCheck lanes. PreCheck wait times are typically 30-50% shorter than general screening lanes.