ESTA / VWP and the I-94: how long can you stay?

How ESTA, VWP, and the I-94 fit together

The Visa Waiver Program lets nationals of ~40 designated countries (UK, Japan, Korea, France, Germany, Singapore, Taiwan, and more — not mainland China or India) enter the U.S. for short visits without a visa.

• ESTA (Electronic System for Travel Authorization) is the pre-boarding electronic authorization VWP nationals must obtain at esta.cbp.dhs.gov. Usually decided in minutes to days; valid 2 years or until passport expiry.
• The I-94 is created by CBP at the moment of admission. ESTA approval does not create an I-94 — only a successful entry does.

What the I-94 looks like after a VWP entry

• COA: WT (Waiver Tourist) or WB (Waiver Business).
• Admit Until Date: exactly 90 days from entry. Not negotiable, not extendable.
• Short trips to Canada, Mexico, or nearby islands do not reset the 90 days — the original Admit Until Date continues.

Three critical differences from a regular visa entry

1. Waived hearing rights: VWP travelers sign a waiver — an overstay or violation can trigger removal with almost no review.
2. No extension, no change of status: illness, missed flights, or a job offer cannot buy you more time. In rare emergencies you can request Satisfactory Departure from CBP/USCIS (up to +30 days).
3. Adjustment of status is severely limited: essentially only spouse-of-U.S.-citizen filings, and only if you can show no preconceived immigrant intent at entry. Other green-card categories are effectively off-limits.

How the 90 days is counted

The clock starts on the entry day. Trust only the Admit Until Date on your electronic I-94 — enter June 1, the Admit Until Date is typically August 29. Pass that date and consequences kick in immediately.

Pull the electronic I-94 from i94.cbp.dhs.gov after every entry and confirm COA and Admit Until Date.

ESTA denials and entry refusals

• ESTA denied: you must apply for a B-1/B-2 visa; VWP is off the table.
• Refused at the border with valid ESTA: CBP can still find you inadmissible. Common outcomes: withdrawal of application, or expedited removal (which carries an automatic 5-year bar).
• Any prior refusal or removal will surface on all future visa applications.

Common misconceptions

• "ESTA is basically an e-visa." No — ESTA and a visa are two parallel entry systems.
• "CBP can give me more than 90 days at the border." Effectively no. After entry, only Satisfactory Departure adds time.
• "A quick hop to Mexico resets the 90 days." It doesn't — the same Admit Until Date carries through.
• "WT/WB lets me study or work briefly." No — the same limits as B-2/B-1 apply, plus you cannot change to F-1/H-1B.

This site provides general information only. VWP overstays and post-refusal reapplications warrant an immigration attorney.