The Prophet ﷺ set out on Thursday for the Ghazwa of Tabuk and he used to prefer to set out (i.e. travel) on Thursdays. (Using translation from Bukhārī 2950)
أَنَّ النَّبِيَّ ﷺ «خَرَجَ فِي غَزْوَةِ تَبُوكَ يَوْمَ الْخَمِيسِ وَكَانَ يُحِبُّ أَنْ يَخْرُجَ يَوْمَ الْخَمِيسِ»