ONT

TSA wait estimates · not live

How long is TSA at ONT? Typical wait by day and hour

TSA's own estimates put the longest standard-lane wait at ONT at about 32 min (on Wednesdays around 10 p.m.), and about 10 min in a typical daytime hour. The shortest daytime wait is about 2 min (Saturday, 2 p.m.).

TSA typical daytime wait at ONT10 min

Longest typical wait each day

• Monday27 min at 5 a.m.
• Tuesday25 min at 6 a.m.
• Wednesday32 min at 10 p.m.
• Thursday32 min at 5 a.m.
• Friday29 min at 5 a.m.
• Saturday30 min at 5 a.m.
• Sunday20 min at 5 a.m.

Source: TSA's checkpoint wait-time estimates for ONT (tsa.gov data), updated October 19, 2026. TSA estimates the longest standard-lane wait for each hour of the week from past data, airport-wide. PreCheck lanes are separate and not included. These are estimates, not live times.

Thanksgiving 2026 · Thursday, Nov 26

When TSA is busiest at ONT over Thanksgiving

Last Thanksgiving, ONT's busiest day was Sunday, Nov 30: TSA screened about 14,900 people at its checkpoints, 45% more than on a normal early-December weekday. The matching day this year is Sunday, Nov 29.

Source: TSA hourly checkpoint throughput, FOIA reading room, Nov 23 to Dec 1, 2025. These numbers count people screened, not minutes in line. Normal weekday = average of Dec 2 to 4, 2025.

ONT checkpoints and screening hours

TSA screens about 10,986 people a day at Ontario International. The busiest day of the week is Monday and the quietest is Saturday. Steady screening runs 3 a.m. to midnight.

Checkpoints, as TSA's report names them

• T4 · 3 a.m. to midnight54%
• T2 · 3 a.m. to midnight47%

Share of people screened. Hours are when a checkpoint averages 25+ people an hour.

Source: TSA hourly checkpoint throughput, FOIA reading room, Sep 20 to Oct 17, 2026.