Alaska Airlines is required to adhere to the Advance Passenger Information System (APIS), which mandates the collection of specific information from every passenger traveling to or from the U.S. and other countries. This information is requested for the purposes of ensuring aviation safety and security. Travelers must supply advance passenger
Vistara Web Check-in for International Flights. For international flights, web check-in is available 48 hours prior and closes 2 hours prior to scheduled departure time. Here also, travellers will receive their boarding pass via email and it is mandatory to produce the web check-in boarding pass at the airport for security clearance.
By taking advantage of online check-in for international flights, travelers can streamline their pre-flight experience and enjoy the convenience of modern air travel. This method offers a range of benefits, including the ability to select seats, receive boarding passes electronically, and skip the lines at the airport.
"Whether the 30-minute or the 60-minute cut off applies depends on where exactly the document check happens and what specific doc check is required. " -> As specified in the question, the check-in happens at the United Airlines counter at SFO. Typically check-in deadlines are mentioned somewhere online, because airlines don't want each customerSelect the check-in passenger. Select the passengers to be checked in. If there is only one passenger in the booking, this screen will be skipped. If your travel companion has a separated booking record, you may check in for him/her from this screen, or select the "ADD PASSENGER" button in Step 5 and repeat the same identification procedure as Ad2H.