ESTA Name Mismatch Fix 2026 – How to Correct Applications

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A single letter discrepancy between your passport and your ESTA name fix form can trigger CBP denial of boarding or secondary inspection at arrival. Therefore, understanding how to correct name mismatches — whether typo, diacritic error, or marriage-related change — is critical before flying in 2026.

This guide explains which fields are editable, which require re-application, and how CBP handles common cases. Additionally, see our ESTA step-by-step guide for first-time applicants. Furthermore, the official ESTA portal has the latest form.

Why Name Accuracy Matters

CBP matches ESTA data to the passport machine-readable zone (MRZ) character by character. Consequently, any mismatch in given name, surname, or date of birth invalidates the authorization for that passport. Moreover, airline Advance Passenger Information (API) systems apply the same check pre-boarding.

Editable vs Non-Editable Fields

On the existing ESTA name fix form, travelers can update: contact details, parent information, employer details, and some travel plans via the “Update My ESTA” function. However, name, date of birth, sex, passport number, and citizenship require a new application ($40.27).

Field	Editable in place	Requires new application
Email, phone	Yes	No
Employer, occupation	Yes	No
Street address	Yes	No
Name, surname	No	Yes
Date of birth	No	Yes
Passport number	No	Yes

Most Common Name Errors

Frequent mistakes include: swapped first and surname, diacritic stripped or retained incorrectly (Müller vs Mueller), missing middle name, or hyphenated surnames compressed. Additionally, Asian character transliterations (Chinese, Japanese, Korean) often cause confusion.

The Fix — Step by Step

Check passport MRZ for correct characters (bottom two lines, all caps, ASCII only).
Log in to ESTA with current application number.
If name field is the issue, file a new application (the old one is effectively voided).
Pay $40.27 fresh.
Wait for approval (usually minutes to 72 hours).
Destroy the old approval and travel on the new number.

Diacritic Rules

The MRZ is always ASCII. Therefore, Ö → OE, Ü → UE, ß → SS, Å → AA. Consequently, the ESTA form must match the MRZ, not the visual page. Moreover, Eastern European ł, č, š, and ž follow similar transliteration rules.

Married, Divorced, or Legal Name Changes

Update your passport first. Indeed, once the new passport is issued, file a fresh ESTA. Furthermore, carry the old passport or marriage certificate if you wish to travel before full rebranding.

Airline API System Mismatch

Airlines forward Advance Passenger Information to CBP 60 minutes before departure. Consequently, a mismatch triggers a “no-fly” decision. Therefore, match the booking name to the passport exactly, then match ESTA. Moreover, middle names are optional in airline bookings but must match MRZ in ESTA.

What Happens at Boarding

Airlines refuse boarding if ESTA cannot be verified. Nevertheless, minor errors detected at the gate can sometimes be resolved by filing a new ESTA on a phone; approval often returns in 5-15 minutes. Additionally, bring a card for the $40.27 emergency fee.

CBP Arrival — Name Discrepancies Found Late

If CBP spots the mismatch at arrival, they may refer to secondary or deny admission. Consequently, the best strategy is always to fix it before departure. Moreover, our rejection recovery guide covers broader admissibility issues.

Data Protection and Retention

CBP stores ESTA data for 15 years. Therefore, multiple applications tied to the same passport are visible to officers. Additionally, persistent errors may trigger manual review on future applications.

Frequently Asked Questions

Q: Can I fix just the middle name?
A: No. Any name field change requires a new application.

Q: Is the old ESTA refunded?
A: No. Fees are non-refundable.

Q: What if my passport has both ‘Müller’ and ‘MUELLER’?
A: Use MUELLER to match the MRZ, which CBP reads.

Q: Can airlines override a name mismatch?
A: No. They will refuse boarding to avoid carrier penalties.

Q: Will my old ESTA stay in the system?
A: Yes as history; your travel uses the newest approved record.

Q: How fast is a corrected ESTA approved?
A: Usually within minutes, occasionally up to 72 hours.

Q: Is there a free correction option?
A: Unfortunately no; every name correction is treated as a new application.

Common Name Formats Across Cultures

Spanish-speaking travelers carry two surnames; only the first (paternal) appears in the MRZ. Consequently, ESTA must use that single surname. Moreover, Portuguese passports sometimes display all four names, with MRZ retaining only the final two.

Chinese, Japanese, and Korean travelers face Romanization variants. Additionally, “Li” vs “Lee” or “Jang” vs “Chang” depend on the passport issuance authority. Therefore, always copy the MRZ characters literally.

ESTA History and Audit Visibility

CBP retains every ESTA record for 15 years. Indeed, multiple applications against the same passport are visible during border inspection. Furthermore, officers occasionally reference prior entries. Consequently, make each application accurate to avoid multiplication.

Moreover, travelers with prior denials should document the remediation — new passport, corrected name, updated employer — in case of questioning at arrival.

Dual Citizenship Nuances

Dual citizens should apply using the passport they intend to present at the U.S. border. Therefore, using a VWP passport for ESTA is mandatory even if the other citizenship is U.S., Canadian, or Mexican. Additionally, carrying both passports facilitates smooth entry.

Consequently, verify that the ESTA passport number matches the travel document presented at check-in.

Passport Renewal and Timing

ESTA is linked to a specific passport number. Moreover, upon renewal, the traveler must file a new ESTA even if the name is identical. Furthermore, no refund is available for the unused portion of the prior ESTA.

Therefore, time passport renewal at least 60 days before U.S. travel to allow ESTA re-approval buffers.

Complex Cases — Legal Name Changes

Court-ordered name changes, adoption, and gender marker updates each require a new passport first, then a new ESTA. Additionally, documents evidencing the change should travel with the passenger in case of CBP questioning.

Indeed, the U.S. Department of Homeland Security advises carrying certified court records for high-profile changes.

Automation Tools and Mistakes

Some corporate tools auto-populate ESTA forms from HR data. However, autocomplete errors (Ü → U instead of UE) recur. Therefore, always manually review MRZ characters. Moreover, run a pre-submission proof-read using a second person or a recent bank statement matching the passport.

Consequently, investing five minutes in verification avoids 72-hour holds and refiling fees.

Country-Specific Transliteration Pitfalls

Czech, Polish, Hungarian, and Slovak travelers face complex diacritic handling. Moreover, Czech “ř” is routinely transliterated to “R” in the MRZ but some passports retain “Ŕ” visually. Consequently, travelers should copy the MRZ letters directly. Furthermore, Polish “ł” becomes “L” in MRZ, not “LL”.

Greek travelers encounter transliteration from Greek letters to Latin. Therefore, apostolic forms and consular certifications help verify the correct spelling. Indeed, Greek passports often include both Greek and Latin versions of the name.

Airline Record Locator and Name Locking

Airline ticket records lock the passenger name upon issuance. Moreover, changing a booked name within 24 hours of departure incurs fees of $75-$500 depending on carrier. Furthermore, some budget airlines (Ryanair, easyJet, Spirit) do not allow name changes at all. Consequently, name verification before booking saves money.

Additionally, OTA platforms (Expedia, Kiwi, Booking.com) add another change-fee layer. Therefore, direct-airline bookings simplify error correction.

Best Practices for Corporate Travel Teams

Corporate travel teams managing dozens of ESTAs benefit from standardized templates. Moreover, embedding MRZ validation in HR systems prevents common errors before submission. Furthermore, corporate travel insurance can cover application refiling costs.

Indeed, some travel management companies offer MRZ-auto-copy features in their portal. Therefore, integrated tooling drives compliance.

Why Name Discrepancies Happen

The ESTA application pulls its identity check against the passport’s machine-readable zone (MRZ). That zone strips accents, replaces certain Slavic and Nordic characters, and frequently truncates long compound surnames. Travelers who enter their name with diacritics or as it appears on an ID card rather than the passport immediately trigger a mismatch. Similarly, European passports sometimes list the father’s name or birth name in parentheses; the CBP system expects only the official given and family names as printed in the MRZ.

Married travelers whose passport still shows the maiden name but whose travel booking uses the married name create a second common scenario. Airlines follow the IATA Secure Flight rules, which require exact passport-name match for boarding. If the ESTA uses the married name and the passport the maiden name, the ESTA is technically approved but the airline will block check-in.

Step-by-Step Correction Process

Because the ESTA cannot be edited after submission in fields such as passport number, date of birth, country of citizenship, and name, a new application must be filed with the corrected information. The old application remains live but becomes irrelevant once the new one is approved. The $40.27 fee must be paid again; there is no transfer or refund mechanism. Submitting the new application at least 72 hours before departure is essential, as approval can take the full period during peak season.

Travelers who notice the mistake only at the airport have very limited options. If the passport itself is correct but the ESTA shows the wrong name, most U.S.-bound airlines allow check-in to a waiting-lounge PC or a dedicated support desk, where the agent creates a temporary manual override while the passenger submits a fresh ESTA on a phone. Approval in under 15 minutes is common but never guaranteed; travelers should plan at least four hours before departure for such fixes.

Conclusione

Correcting a ESTA name fix is straightforward when you submit a new application with exact MRZ-matching characters. Therefore, double-check the passport page before filing and keep the confirmation number in cloud storage. Furthermore, our fee breakdown clarifies the $40.27 cost every time.