(103) باب مَنْ أَرَادَ غَزْوَةً فَوَرَّى بِغَيْرِهَا، وَمَنْ أَحَبَّ الْخُرُوجَ يَوْمَ الْخَمِيسِ
Ka`b bin Malik used to say:
"Scarcely did Allah's Messenger (ﷺ) set out for a journey on a day other than Thursday."
Reference: Sahih al-Bukhari 2949
In-book reference: Book 56, Hadith 161
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 52, Hadith 198