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uk Transport & mobility emergencies

What to do if…
your digital ticket or boarding pass will not load, scan, or appear at the gate

Produced and maintained by PanicStation.org Published: Last reviewed: Editorial policy UK guide

Short answer

Tell the nearest authorised member of staff immediately, especially if departure or gate closure is close. Have your booking reference, identification, journey details, and original ticket email or app ready, and ask for the operator’s approved way to display, verify, or reissue the ticket or boarding pass.

Do not do these things

  • Do not remain in front of a barrier or scanner while troubleshooting.
  • Do not leave the gate or boarding area without telling staff if departure is close.
  • Do not assume a booking confirmation alone will be accepted as a ticket or boarding pass.
  • Do not buy another ticket before asking the operator or retailer to check the existing booking, unless authorised staff tell you that a replacement is required.
  • Do not alter, crop, redraw, or obscure the barcode.
  • Do not delete the app, email, wallet pass, PDF, or booking confirmation.
  • Do not repeatedly refresh the app until the phone battery is exhausted.
  • Do not hand an unlocked phone, password, or payment details to anyone who is not clearly authorised staff.

What to do now

  1. Move out of the queue without leaving the boarding area. Tell staff your departure time and whether the pass is missing, blank, failing to load, or being rejected by the scanner.

  2. Open the original booking confirmation. Check the passenger name, date, journey, departure time, booking reference, operator, and ticket retailer.

  3. Make one brief attempt to retrieve the original ticket. Check the operator’s official app or website, your email attachments, downloads folder, and Apple Wallet or Google Wallet. Switch between mobile data and official venue Wi-Fi if available.

  4. For rail travel in Great Britain, National Rail distinguishes mTickets from eTickets. Check whether an mTicket needs activating in the retailer’s app before use, and confirm that it is the correct passenger and journey before activating it. An eTicket may also be available as the original emailed PDF. In Northern Ireland, Translink mLink activation rules vary by ticket type and some NI Railways tickets activate automatically, so follow the ticket status and instructions shown in mLink rather than assuming manual activation is required.

  5. If the correct barcode appears but will not scan, raise the screen brightness, clean the screen, remove anything covering or obscuring it, and display the complete original barcode. Ask staff to try an attended scanner rather than repeatedly using the same barrier.

  6. Ask the appropriate staff for the operator-approved alternative:

    • At an airport, speak to airline gate, check-in, transfer, or customer-service staff. Depending on the airline and airport, they may direct you to a desk or kiosk for another boarding pass.
    • At a railway station, speak to station staff or use an official help point before passing the barrier or boarding. Do not assume that the booking reference alone permits travel.
    • For a coach or ferry, speak to the operator’s boarding staff, driver, ticket desk, or terminal help point.

  7. If several passengers’ passes are held on one phone, keep the group together and tell staff. Open each original pass separately and check that the correct passenger’s pass is on screen.

  8. If staff say another ticket must be bought, ask whether the original can first be reissued or retrieved and where the approved purchase point is. Keep the original booking confirmation, any error message, the replacement ticket, and the receipt.

  9. If no staff member is visible and departure is close, use an official help point or the contact route in the operator’s app, website, or booking confirmation. Stay close enough to hear announcements and follow instructions from authorised staff.

What can wait

You do not need to identify the technical fault, reinstall every app, change account settings, make a formal complaint, or decide whether to seek a refund while boarding may still be possible. Detailed troubleshooting, reimbursement questions, and complaints can wait until the operator has confirmed whether you can travel.

Important reassurance

A blank screen or failed scan does not necessarily mean that the booking has been cancelled. Staff may be able to help retrieve or reissue the pass, but whether you can travel depends on the operator’s ticket-validation rules and the time remaining before departure.

Scope note

This guide covers immediate steps at or near the gate. Later questions about replacement costs, missed departures, refunds, complaints, insurance, or passenger rights may require help from the operator, ticket retailer, insurer, or another specialist service.

Important note

This is general information, not legal or professional advice. Accepted ticket formats, identification requirements, activation rules, check-in deadlines, gate-closing times, charges, and reissue procedures vary by operator, airport, station, route, and ticket type. Follow current instructions from authorised staff and the operator’s published terms.

Additional Resources

Closely connected guides that may be useful during the same situation or its immediate aftermath.

About this guide

This guide was produced and is maintained by PanicStation.org using its published editorial process. Official and specialist sources are checked where relevant, and AI-assisted tools may be used for drafting, organisation, and consistency checks. The site operator remains responsible for publication, revision, and removal decisions.

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