Long-delayed and Overdue

Overdue and long-delayed are semantically related in late topic. In some cases you can use "Overdue" instead an adjective phrase "Long-delayed", when it comes to topics like behind.

Overdue adjective - Not arriving, or occurring, or settled at the due, usual, or proper time.

Long-delayed and overdue are semantically related in late topic. You can use "Long-delayed" instead an adjective "Overdue".