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TSA Wait Times at Ontario International Airport (ONT)

Plan ahead and minimize your wait at Ontario International Airport security checkpoints. The data below shows historical maximum wait times by day and hour to help you choose the best time to arrive.

Peak Wait Time

63 min

Saturdays at 5 AM

Best Times to Go

Under 5 minutes

35 time slots with minimal wait

Morning Wait Times (AM)

Historical maximum TSA security wait times at Ontario International Airport for morning hours (12 AM - 11 AM), organized by day of week
Hour Mon Tue Wed Thu Fri Sat Sun
12 AM 1m 1m 1m 1m - 1m 2m
1 AM - - - - - - -
2 AM - - - - - - -
3 AM 4m 7m 5m 2m 3m 2m 2m
4 AM 11m 10m 12m 6m 7m 14m 15m
5 AM 40m 17m 18m 18m 17m 63m 40m
6 AM 17m 8m 5m 10m 15m 37m 30m
7 AM 4m 10m 5m 6m 10m 5m 4m
8 AM 16m 18m 10m 18m 19m 7m 5m
9 AM 9m 8m 19m 18m 12m 10m 17m
10 AM 6m 10m 6m 16m 12m 7m 7m
11 AM 15m 14m 10m 19m 12m 8m 11m

Afternoon & Evening Wait Times (PM)

Historical maximum TSA security wait times at Ontario International Airport for afternoon and evening hours (12 PM - 11 PM), organized by day of week
Hour Mon Tue Wed Thu Fri Sat Sun
12 PM 26m 12m 17m 28m 28m 24m 19m
1 PM 23m 20m 10m 22m 19m 15m 18m
2 PM 8m 10m 15m 11m 7m 3m 9m
3 PM 7m 21m 10m 4m 18m 6m 12m
4 PM 6m 9m 8m 7m 9m 5m 8m
5 PM 11m 6m 7m 11m 9m 8m 8m
6 PM 15m 3m 8m 5m 8m 5m 7m
7 PM 3m 8m 4m 9m 9m 3m 10m
8 PM 12m 9m 6m 15m 17m 8m 13m
9 PM 11m 17m 12m 17m 10m 7m 11m
10 PM 6m 7m 6m 10m 6m 6m 5m
11 PM 3m 2m 4m 3m 3m 3m 3m

Wait Time Legend

- No data ≤5 min 6-10 min 11-15 min 16-20 min 21-30 min 30+ min

Tips for ONT Security

  • Arrive at least 2 hours before domestic flights and 3 hours for international flights
  • Consider TSA PreCheck or CLEAR for expedited screening
  • Check peak times above and plan to arrive during lower-traffic periods when possible
  • Have your ID and boarding pass ready before reaching the checkpoint
  • Remove laptops and liquids from bags if you don't have TSA PreCheck

ONT TSA Wait Times FAQ

How long are TSA wait times at Ontario International Airport?

TSA wait times at ONT vary by day and time. Peak waits can reach 63 minutes on Saturdays around 5 AM. The best times to go through security are early morning or late evening, with 35 time slots showing waits under 5 minutes.

What is the best time to go through security at ONT?

The best times to go through TSA security at ONT are typically early morning (before 6 AM) and late evening. Our data shows 35 time slots with wait times under 5 minutes. Avoid Saturdays around 5 AM when waits are longest.

Should I get TSA PreCheck for ONT?

TSA PreCheck can significantly reduce your wait time at Ontario International Airport. PreCheck members enjoy expedited screening with shorter lines, and don't need to remove shoes, laptops, liquids, belts, or light jackets. If you fly more than twice a year, the $78 fee (valid for 5 years) is usually worth it.

How early should I arrive at ONT airport?

For domestic flights at Ontario International Airport, arrive at least 2 hours before departure. For international flights, arrive 3 hours early. During peak times (like Saturdays at 5 AM), consider arriving even earlier as waits can exceed 63 minutes.