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 4 minutes (estimated data, last updated 7/19/2026, 11:09:40 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.