着いたばかりだ

has just arrived

→ 着く
phrase Uncommon #19,099
has just arrived Used to say that someone arrived very recently. The plain ending だ is casual or neutral in tone.
JA: 彼女は今、駅に着いたばかりだ。
EN: She has just arrived at the station.

着いたばかりだ

I just got here.

— グッドフェローズ (1990)

着いたばかりだ

I just got here.

— 君たちはどう生きるか (2023)

着いたばかりだ

I just arrived.

— デッド・ドント・ダイ (2019)

私は今着いたばかりだ

I just arrived.