The Messenger of Allah ﷺ combined the Dhuhr and Asr prayers together, and the Maghrib and Isha prayers together, without there being any fear or travel.
أخبرنا قتيبة عن مالك عن أبي الزبير عن سعيد بن جبير
صلى رسول الله ﷺ الظهر والعصر جميعا والمغرب والعشاء جميعا من غير خوف ولا سفر
Muslim narrated it in his Sahih, in the book of the prayer of travelers, in the chapter on combining the two prayers while at home, hadith no. 705/49, from the hadith of Malik as above, and it is also found in Muwatta (Yahya's recension) 1/144, and in Sunan al-Kubra, hadith no. 1573.