Silsilat al-Ahadith al-Sahihah

Kathir bin Qarwand says that we asked Salim bin Abdullah about the travel prayer of his father, Abdullah (may Allah be pleased with him). He narrated from his father that the Messenger of Allah (peace and blessings be upon him) said: "When someone is faced with a matter and fears missing it, he should pray in this manner (i.e., combine two prayers)."