ONT

TSA Security · Predicted

TSA wait times, demystified.

Ontario International Airport · Ontario, US

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Source

Predicted

Confidence

Low

Checkpoints

Reports · 24h

Recommended arrival

Domestic90 min

International150 min

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Estimated from historical data

TSA Checkpoint Operating Hours

Thursday2 / 2 Open

Terminal 2

Terminal 2 Checkpoint

3:00 AM - 12:00 AM

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Terminal 4

Terminal 4 Checkpoint

3:00 AM - 12:00 AM

Open Now

Hours may vary during holidaysUpdated:

All Terminals

20min

TSA Security (Expected)

+1h Forecast

17min

TSA Security (Expected)

+2h Forecast

5min

TSA Security (Expected)

+3h Forecast

24min

TSA Security (Expected)

+4h Forecast

8min

TSA Security (Expected)

Limited history for ONT — actual wait may vary materially from the estimate.

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Traveler-submitted waits · last 24h

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ONT Security FAQs

The average TSA security wait time at Ontario International Airport (ONT) is approximately 22 minutes. During peak hours (typically 5-8 AM and 4-7 PM), wait times can be 33 minutes or longer. Off-peak hours typically see wait times of 13 minutes.

TSA security lines at Ontario International Airport (ONT) currently average about 22 minutes. TSA PreCheck lanes are typically under 11 minutes. Wait times are updated every 5 minutes based on real-time data.

Yes, Ontario International Airport offers TSA PreCheck lanes at security checkpoints. TSA PreCheck can reduce your wait time by 50% or more, with average waits of 11 minutes compared to 22 minutes in regular lanes.

The best times to go through TSA security at Ontario International Airport are typically early morning (5:00-6:00 AM) and mid-afternoon (2:00-4:00 PM). Avoid peak hours between 5:00-8:00 AM for morning business flights and 4:00-7:00 PM for evening departures when security lines are longest.

For domestic flights at Ontario International Airport, arrive at least 90 minutes before departure. For international flights, arrive 150 minutes early to allow time for security, immigration, and boarding. If traveling during holidays or peak seasons, add an extra 30 minutes.