Garitas
ES EN
Ontario Michigan

Best Time to Cross Ambassador Bridge

CARS · ANY DAY
Hardly any line ~4m
The line barely changes by day at this crossing. Cross whenever works for you.
Live times Hourly chart
Every day BEST TO WORST
  1. Tuesday The best
    ~4m Fine if you skip the afternoon.
  2. Monday #2
    ~5m Good before dawn; midday climbs only a little.
  3. Wednesday #3
    ~5m Good before dawn; midday climbs only a little.
  4. Thursday #4
    ~5m Good before dawn; midday climbs only a little.
  5. Friday #5
    ~5m Good before dawn; midday climbs only a little.
  6. Saturday #6
    ~5m Good before dawn; midday climbs only a little.
  7. Sunday The worst
    ~5m The worst of the week. Avoid 10 AM–2 PM.

Historical reference · CBP

Week of Labor Day 2025

General lane · Aug 29–Sep 4

  1. 3 days before
    Average
    6m
    Range
    0m–20m

    24/24 h

  2. 2 days before
    Average
    12m
    Range
    0m–30m

    24/24 h

  3. 1 day before
    Average
    6m
    Range
    0m–15m

    24/24 h

  4. Holiday
    Average
    14m
    Range
    0m–35m

    24/24 h

  5. 1 day after
    Average
    3m
    Range
    0m–8m

    24/24 h

  6. 2 days after
    Average
    2m
    Range
    0m–5m

    24/24 h

  7. 3 days after
    Average
    3m
    Range
    0m–5m

    24/24 h

Source: CBP · Labor Day 2025 · General lane.

A single week for reference; this is not a forecast.

General lane · CBP's official hourly statistics (last 15 days). Closed hours don't count.

Frequently asked questions

What is the best time to cross Ambassador Bridge?
Typically Tuesday at 7:00 PM, with an average wait of ≈4m in the general lane. The number comes from CBP's official hourly statistics and refreshes daily.
What is the worst time to cross Ambassador Bridge?
The heaviest point of the week is usually Sunday at 2:00 PM, with a typical wait of ≈26m. Check the live wait times before you leave — any given day can behave differently from the typical pattern.
Where does this data come from and how reliable is it?
From CBP's official hourly statistics for Ambassador Bridge: we take the most recent typical pattern for each weekday (the averages are CBP's), so it reflects the usual behavior, not a forecast. Any given day can vary with weather, holidays or operations — so check the live wait times before you leave.
Is the best time the same for every lane?
This page summarizes the General lane, the line most people use. Trusted lanes (SENTRI or NEXUS, and Ready Lane where available) usually move at their own pace; compare them live on the Ambassador Bridge page.