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ONT Customs & Immigration Wait Times

Immigration Snapshot

Plan your international arrival at ONT around customs processing times.

Peak CBP waits can reach 25 minutes on Sundays around 4 PM. 111 lower-wait time slots appear in the historical data below.

Peak wait
25 min
Best signal
Late PM / early AM
Quiet slots
111
Data type
Estimate + historical

Useful pages for this airport

Check estimated CBP processing times at Ontario International Airport, then compare immigration wait patterns by day and hour. 111 lower-wait time slots appear in the current dataset.

Estimated Wait Right Now

16 min

ONT local time: Tuesday at 3 PM

Peak Wait Time

25 min

Sundays at 4 PM

Best Times to Arrive

Under 10 minutes

111 time slots with minimal wait

CBP Wait Time Lookup Tool

Check estimated customs and immigration wait times for any day and hour. The "Estimated Wait Right Now" card above shows current conditions.

Estimated wait for selection

16 min

Morning CBP Processing Times (AM)

Historical CBP customs and immigration processing times at Ontario International Airport for morning hours (12 AM - 11 AM), organized by day of week
HourMonTueWedThuFriSatSun
12 AM5m2m5m1m4m2m5m
1 AM3m4m4m1m4m1m1m
2 AM1m2m2m5m1m1m2m
3 AM2m1m1m1m2m4m1m
4 AM1m1m3m1m2m1m3m
5 AM3m3m3m5m7m1m3m
6 AM4m6m2m2m5m4m6m
7 AM8m6m4m8m7m10m8m
8 AM7m9m4m9m10m8m9m
9 AM5m8m7m8m13m9m12m
10 AM6m7m9m7m13m9m10m
11 AM10m8m7m9m10m13m10m

Afternoon & Evening CBP Processing Times (PM)

Historical CBP customs and immigration processing times at Ontario International Airport for afternoon and evening hours (12 PM - 11 PM), organized by day of week
HourMonTueWedThuFriSatSun
12 PM9m9m9m13m14m11m13m
1 PM14m10m15m10m17m15m14m
2 PM16m11m14m15m19m18m21m
3 PM14m16m18m19m20m17m21m
4 PM15m18m15m19m22m18m25m
5 PM14m13m13m15m23m19m22m
6 PM13m14m10m15m17m13m19m
7 PM12m9m10m12m14m11m17m
8 PM11m10m10m11m13m11m12m
9 PM5m7m7m5m7m6m8m
10 PM5m6m2m3m9m8m5m
11 PM4m1m1m3m7m4m3m

Wait Time Legend

- No data≤10 min11-20 min21-30 min31-40 min41-50 min50+ min

Tips for Clearing Customs at ONT

  • Enroll in Global Entry for expedited CBP processing ($100/5 years, includes TSA PreCheck)
  • Use the free CBP Mobile Passport Control app for a dedicated inspection lane
  • Have your passport and customs declaration form ready before reaching the booth
  • Check peak times above and adjust your connecting flight buffer accordingly
  • Declare all agricultural items and purchases above the duty-free allowance
  • If connecting domestically after arrival, allow extra time for customs and re-checking bags

ONT Customs & Immigration FAQ

How long are customs and immigration wait times at Ontario International Airport?

This page shows estimated CBP processing times at ONT. Peak waits can reach 25 minutes on Sundays around 4 PM. The best times to clear customs are usually early morning or late evening, with 111 time slots showing waits under 10 minutes.

What is the best time to arrive for customs at ONT?

The best times to go through customs and immigration at ONT are typically early morning and late evening. Our data shows 111 time slots with wait times under 10 minutes. Avoid Sundays around 4 PM when waits are longest.

Can I check customs wait times for a specific day and time at ONT?

Yes. Use the day and time selector in the wait time tool to view the estimated CBP processing wait for any day-of-week and hour block. The "right now" number above it is the quick view for the current time slot.

Should I get Global Entry for ONT?

Global Entry can significantly reduce your customs and immigration wait time at Ontario International Airport. Members use automated kiosks to bypass the regular CBP line, reducing processing time to under 5 minutes in most cases. The $100 fee covers 5 years and includes TSA PreCheck. If you travel internationally at least once a year, Global Entry is usually worth it.

What documents do I need for international arrival at ONT?

When arriving internationally at Ontario International Airport, you need a valid passport (with at least 6 months validity), any required visas, and a completed CBP customs declaration (usually provided on the plane or via the CBP Mobile Passport Control app). Global Entry and SENTRI members can use automated kiosks. U.S. citizens returning from Canada, Mexico, or the Caribbean may also use the Mobile Passport Control app for a dedicated lane.

Official Travel Resources

5 verified external links from airport operators and U.S. agencies.

Official Airport Resources1 link▼
Customs and Border Protection4 links▼