Arabic hadith text
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، أَنَّهُ قَالَ لِسَالِمِ بْنِ عَبْدِ اللَّهِ مَا أَشَدَّ مَا رَأَيْتَ أَبَاكَ أَخَّرَ الْمَغْرِبَ فِي السَّفَرِ فَقَالَ سَالِمٌ غَرَبَتِ الشَّمْسُ وَنَحْنُ بِذَاتِ الْجَيْشِ فَصَلَّى الْمَغْرِبَ بِالْعَقِيقِ ‏.‏
Translation

Yahya related to me from Malik from Yahya ibn Said that he saidto Salim ibn Abdullah, "What is the latest you have seen your fatherdelay maghrib while on a journey?" and Salim replied, "One time thesun set when we were at Dhat al-Jaysh and he prayed maghrib at al-Aqiq."