What is the best time to cross Mariposa?

For vehicles in the General lane, typically Tuesday at 9:00 PM, with an average wait of ≈5m. The number comes from CBP's official hourly statistics and refreshes daily.

What is the worst time to cross Mariposa?

For vehicles in the General lane, the heaviest point of the week is usually Thursday at 7:00 AM, with a typical wait of ≈1h 16m. 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 Mariposa: 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?

Each tab summarizes the General lane for its mode: vehicles, pedestrian or commercial. Trusted lanes (SENTRI or NEXUS, and Ready Lane where available) usually move at their own pace; compare all lanes live on the Mariposa page.

Sonora Arizona

Best Time to Cross Mariposa

BEST DAY TO CROSS

Wednesday ~5m

Typical wait at night (7–9 PM).

Live times Hourly chart

We use the newest CBP typical profile for each weekday within a 14-day window. Data covers 5 of 7 weekdays; closed hours are excluded. This is a historical reference, not a forecast. How border wait times are calculated

Every day BEST TO WORST

Wednesday The best
~5m Fine if you skip the afternoon.
Friday #2
~15m Good before dawn; midday climbs only a little.
Monday #3
~20m Fine if you skip the afternoon.
Thursday #4
~20m Good before dawn; midday climbs only a little.
Tuesday The worst
~28m The worst of the week. Avoid 10 AM–2 PM.
Saturday
—
Sunday
—

Frequently asked questions

What is the best time to cross Mariposa?: For vehicles in the General lane, typically Tuesday at 9:00 PM, with an average wait of ≈5m. The number comes from CBP's official hourly statistics and refreshes daily.
What is the worst time to cross Mariposa?: For vehicles in the General lane, the heaviest point of the week is usually Thursday at 7:00 AM, with a typical wait of ≈1h 16m. 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 Mariposa: 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?: Each tab summarizes the General lane for its mode: vehicles, pedestrian or commercial. Trusted lanes (SENTRI or NEXUS, and Ready Lane where available) usually move at their own pace; compare all lanes live on the Mariposa page.