When is visa validity checked when entering US on a multistop flight?

The H1B visa is valid starting from the 21st of September. If I take a multistop flight from New Zealand that passes through Honolulu and LAX on its way to Seattle, will my visa validity be checked at Seattle, or when I enter the US (Honolulu), or will it vary?

The stops at Honolulu and LAX are on the 20th of September local time whereas the arrival in Seattle is on the morning of the 21st.

I was just wondering because I would like to arrive as early as possible.

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Can you enter the US with a visa that is about to expire?

You can legally stay in the United States until the expiration of your authorized period of stay. However, you will not be able to travel to the United States Port of Entry to seek a new admission unless your visa has been renewed by the American Embassy in your country of Nationality.

Do I need US visa for layover in us?

One of those layovers is within the United States. This means that you will have to transit through the US. To do this, you will need a Transit Visa for USA. A US Transit Visa is a permit to to enter the US and stay for a layover.

Can I enter the US with less than 6 months on my visa?

Q. 1 How long does my passport have to be valid in order to apply for a U. S. visa? You must possess a passport valid for travel to the United States with a validity date at least six months beyond your intended period of stay in the United States (unless country-specific agreements provide exemptions).

Are we allowed to enter US with less than 6 months expiry date?

As a general rule, passports must be valid for six months beyond the date the traveler will exit the United States. However, the United States has signed agreements with a number of countries to waive this requirement.

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