late arrival
Refers to arriving later than scheduled or expected, often used in formal or logistical contexts such as transportation, mail, or appointments.
I missed the meeting due to the train's late arrival.
We apologize for the late arrival of the mail.
先着 means arriving first, whereas 遅着 means arriving late, as with a delayed train.
Compound of 遅 (chi, 'late') and 着 (chaku, 'arrival'). The reading ちちゃく is a standard on'yomi combination.