au bon moment
You gave yourself up, and, at the right time, you handed Laura over.
Tu t’es rendu(e) et, au bon moment, tu as livré Laura.
— The Invisible Guest (2017)
You have a talent for saying the right thing at the right time.
Vous avez le don de dire les choses justes au bon moment.
I just happened to show up at the right place at the right time.
J'ai tout simplement eu la chance d'être au bon endroit au bon moment.
— Sinners (2025)
I was at the right place at the right time.
J'étais au bon endroit au bon moment.
Ah, Watson, you have just come at the right time.
Ah, Watson, vous arrivez juste au bon moment.