noun
boarding announcement
Used for public address announcements at airports, train stations, or ferry terminals informing passengers that boarding has begun or is about to begin.
搭乗案内が流れたら、ゲートに向かってください。
When the boarding announcement is made, please head to the gate.
空港で搭乗案内を聞き逃さないように注意した。
I was careful not to miss the boarding announcement at the airport.
Compound of 搭乗 (とうじょう, 'boarding') and 案内 (あんない, 'guidance, announcement').