出発 しゅっぱつ予定 よてい時刻 じこくでしょう
shuppatsuyotei jikokudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 出発予定時刻

1. Scheduled departure time; Likely departure time

Polite
Presumptive
Conjecture