Dear Vistara Customer, we request completion of Web check-in for all customers before reaching the airport to ensure safe travel. Web check-in for your flight UK 18 from London to Delhi for 21May is now open. We request you to Click on www.airvistara.com/wc/E0VS7ZDA9QMAHQTJ to complete the check-in process and self-declaration. It is advisable to report at least 4 hours prior to your Vistara flight. Please note, if there is a domestic leg in your journey then you would be able to do a through check-in 48 hrs prior to departure when domestic web check-in is open.