The Prophet ﷺ said, "A woman must not travel for three days unless accompanied by a close male relative."
حدثنا يحيى عن عبيد الله حدثنا نافع
عن النبي ﷺ قال لا تسافر المرأة ثلاثا إلا ومعها ذو محرم
Its isnad is sahih, and it is a repetition of 4615 with this same isnad.