Abdullah bin Abbas reported,

People began questioning him about prayer while travelling, and he replied, "Whenever the Messenger of Allah ﷺ left his family, he would pray only two units of prayer until he returned to them."

Ahmad 2160

Sahih

حدثنا أسود حدثنا إسرائيل عن أبي إسحاق عن سعيد بن شفي قال كنت عند ابن عباس فذكر الحديث

أحمد 2160صحيح
Contents
Reference
Commentary
Ayat
Collection
Musnad Ahmad
Book
Abdullah bin Abbas bin Abdul-Muttalib
Numbering
Darussalam 2160
Ahmad 2160