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uk Travel, documents & being abroad travel authorisation missing • eta not in time • esta not in time • eTA not in time • travel permission required • told at check-in • airline says i can't board • travel documents problem • border entry permission • last minute travel authorisation • authorisation pending • authorisation email not received • wrong passport used • new passport after applying • transit authorisation confusion • airside transit uk • scam eta website • urgent rebooking decision • denied boarding paperwork • check-in closing time

What to do if…
you are told you need an electronic travel authorisation and you do not have it in time

Short answer

Verify the requirement on the official government site for your destination, then choose one path fast: apply correctly right now or rebook. If the issue is a UK ETA for travel to the UK, do not travel until you’ve received the email confirming you have an ETA.

Do not do these things

  • Do not pay a third-party “fast track” website that looks unofficial or adds large fees.
  • Do not assume “I’ll sort it at the airport” — many authorisations must be approved before you can check in/board.
  • Do not apply multiple times in a panic with different answers or different passports unless the official guidance tells you to.
  • Do not book a new non-refundable flight until you’ve checked what changes your existing ticket allows.
  • Do not waste time arguing at the gate without a plan (apply now vs rebook): you can lose the minutes you need.

What to do now

  1. Get the exact requirement in writing (or screenshot). Ask the airline/agent which authorisation you’re missing (for example: UK ETA, US ESTA, Canada eTA) and confirm which passport details are attached to your booking (nationality, passport number).
  2. Check whether this is actually required for your exact journey. Use the official government information for the country you are travelling to (and any countries you transit). For UK-related travel, also check:
    • Transit vs entry: if you are only transiting and will not go through UK passport control, you may not currently need a UK ETA in some airside transit situations (rules depend on airport/routing and can change).
  3. If you do need it, apply immediately using only the official channel. Use the passport you will actually travel on and save:
    • the application reference number,
    • the confirmation email (when it arrives),
    • screenshots of any “pending”/“submitted” page.
  4. If the missing authorisation is a UK ETA (travelling to the UK):
    • UK guidance says you usually get a decision quickly, but you should allow up to 3 working days (Monday–Friday).
    • You must wait for the email confirming you have an ETA before you travel to the UK.
    • If there’s no decision after 3 working days, check your spam/junk folder, then contact UKVI using the official contact options.
    • Note: the “check your ETA” online service is for checking whether you already have an ETA and when it expires, not for a brand-new application that hasn’t had a decision yet.
  5. Ask the airline one focused question immediately: “If approval doesn’t arrive before check-in closes, what are my options to move this booking?” Ask about:
    • moving to a later flight (same day/next day),
    • change fees/waivers,
    • whether they can hold the fare while you wait for the decision.
  6. Know when you’re unlikely to get compensation. If you’re refused boarding because you don’t have required travel documentation, that can be considered a reasonable denial of boarding (different from being “bumped” due to overbooking). Focus on rebooking/refund options and insurance rather than a compensation argument.
  7. If you must rebook, make it harder to repeat the problem. Before paying:
    • re-check authorisation requirements for the new itinerary (including transit points),
    • confirm the authorisation (once approved) will link to the same passport you will present.

What can wait

  • You do not need to decide today whether to complain formally—first stabilise your travel plan.
  • You do not need to gather every receipt right now; keep booking confirmations and screenshots of any “authorisation required” messages.
  • You do not need to figure out why you were flagged (rule change vs mismatch) before acting—verify and fix first.

Important reassurance

This is a common, time-critical travel failure point—especially when rules change or a new passport is used. A calm sequence (official check → one correct application → clear rebooking decision) is usually the fastest way out.

Scope note

These are first steps to reduce harm (scams, wrong applications, missed check-in) and buy time. If you’re refused, have complicated immigration history, or urgent humanitarian travel, you may need specialist consular/immigration advice.

Important note

This guide provides general information, not legal advice. Entry requirements and processing times can change quickly and depend on nationality, passport type, route (including transit), and individual screening. Always use official government channels for applications and status checks.

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