The Messenger of Allah ﷺ said, "When dinner is served and the prayer is due, begin with dinner."
قال حدثنا حماد بن خالد عن أيوب بن عتبة
قال رسول الله ﷺ إذا حضرت الصلاة والعشاء فابدءوا بالعشاء
Its isnad is daif because of Ayub bin Utba the judge, but the hadith is sahih and has already appeared at 13534.