の到着だ

… has arrived!

→ の
phrase Rare #41,871
… has arrived! Follows a person or thing to announce their arrival, often emphatically.
JA: 先生の到着だ!
EN: The teacher has arrived!

新しい信者の到着だ!!!

A new believer has arrived!!!

— きっと、うまくいく (2009)

ご婦人の到着だ

The lady has arrived.

— 大人は判ってくれない (1959)

ロバートの到着だ!

Robert has arrived!

— 甘い生活 (1960)

監督の到着だ

The director has arrived.

— 8 1/2 (1963)