Website check-in, that is, check-in at the corresponding airline in official website. This is a little inconvenient for the small screen of mobile phone. Some airlines do not support check-in through these third-party applications.
From 4: 00 pm on the day before the scheduled departure time of the flight to 1 hour before the scheduled departure time of the flight, go to the website of Air China and apply for boarding pass online (transit passengers and children and infants can't apply for it for the time being). Passengers can pre-select a favorite seat on the plane and then print out an "online check-in boarding pass" on ordinary A4 paper.
Extended data:
Check-in seat selection is as follows:
Self-service check-in can be roughly divided into online check-in, mobile phone check-in, SMS check-in and so on. The opening time of self-service check-in is usually 48 hours to 45 minutes before the flight takes off, and the status of the check-in ticket will become "checked in". If you need to reschedule or refund the ticket, you must cancel the check-in first. ?
The opening time is generally 48 or 72 hours after the ticket is purchased and before the flight takes off. The ticket status of online seat selection will not change, and it can be rescheduled or refunded directly. By choosing seats online, you can reserve your favorite seats in advance before checking in online.
People's Network-Take domestic flights, and choose seats by using WeChat check-in.
Phoenix. Com- online check-in service-seat selection at home.