AHMAD 1874:
from Ibn ʿAbbās —
[Machine] The Messenger of Allah ﷺ used to combine the prayers during travel, for Maghrib and Isha, and also Dhuhr and Asr.
أحمد ١٨٧٤:
عن ابن عباس —
كَانَ رَسُولُ اللهِ ﷺ يَجْمَعُ بَيْنَ الصَّلاتَيْنِ فِي السَّفَرِ الْمَغْرِبِ وَالْعِشَاءِ وَالظُّهْرِ وَالْعَصْرِ