´It was narrated that Anas bin Malik said:` "If the Messenger of Allah (ﷺ) was setting out on a journey before the sun passed its zenith, he would delay Zuhr until the time of 'Asr, then he would stop and combine the prayer. If the sun passed its zenith before he set out, he would pray Zuhr and then set off.
Hadith Referenceسنن نسائي / كتاب المواقيت / 587
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه
It was narrated from Abu At-Tufail 'Amir bin Wathilah that Mu'adh bin Jabal told him that they went out with the Messenger of Allah (ﷺ) in the year of Tabuk, and the Messenger of Allah (ﷺ) was joining Zuhr and 'Asr, and Maghrib and 'Isha'. He delayed the prayer one day then he went out and prayed Zuhr and 'Asr together, then he went in and came out again and prayed Maghrib and 'Isha'.
Hadith Referenceسنن نسائي / كتاب المواقيت / 588
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم