The Prophet ﷺ used to offer the Maghrib and ʿIsha' prayers together whenever he was in a hurry on a journey.  

كَانَ النَّبِيُّ ﷺ يَجْمَعُ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ إِذَا جَدَّ بِهِ السَّيْرُ  

It was narrated from Ibn 'Umar that if the Messenger of Allah ﷺ was in a hurry to travel, he would combine Maghrib and 'Isha'.  

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ إِذَا جَدَّ بِهِ السَّيْرُ جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ  

the Messenger of Allah joined Maghrib and Isha in Jam (Al-Muzdalifah).  

أَنَّ رَسُولَ اللَّهِ ﷺ جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ بِجَمْعٍ  

the Prophet joined Maghrib and Isha in Jam (Al-Muzdalifah).  

أَنَّ النَّبِيَّ ﷺ جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ بِجَمْعٍ  

[Machine] That the Prophet ﷺ combined the Maghrib and Isha prayers when he stayed overnight in Arafah.  

أَنَّ النَّبِيَّ ﷺ جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ حِينَ أَنَاخَ لَيْلَةَ عَرَفَةَ  

‘Abd Allah bin ‘Umar said The apostle of Allaah ﷺ combined the sunset and the night prayers at Al Muzdalifah. (Using translation from Abū Dāʾūd 1926)   

أَنَّ رَسُولَ اللهِ ﷺ جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ بِالْمُزْدَلِفَةِ  

It was narrated from Mu’adh bin Jabal that the Prophet ﷺ combined the Zuhr and ‘Asr, and the Maghrib and ‘Isha’ when traveling during the campaign of Tabuk. (Using translation from Ibn Mājah 1070)  

أَنَّ النَّبِيَّ ﷺ جَمَعَ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ فِي غَزْوَةِ تَبُوكَ  

The Prophet ﷺ offered the Maghrib and ʿIsha' prayers together at Jam' (i.e. Al-Muzdalifa) with a separate Iqama for each of them and did not offer any optional prayer in between them or after each of them. (Using translation from Bukhārī 1673)  

جَمَعَ رَسُولُ اللهِ ﷺ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ بِجَمْعٍ  

the Messenger of Allah joined Maghrib and Isha in Jam (Al-Muzdalifah). (Using translation from Nasāʾī 3026)  

«أَنَّ رَسُولَ اللَّهِ ﷺ جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ يَعْنِي بِجَمْعٍ »  

the Messenger of Allah joined Maghrib and Isha in Jam (Al-Muzdalifah). (Using translation from Nasāʾī 3026)   

«أَنَّ رَسُولَ اللَّهِ ﷺ صَلَّى الْمَغْرِبَ وَالْعِشَاءَ بِجَمْعٍ فَجَمَعَ بَيْنَهُمَا»  

[Machine] The Prophet ﷺ combined dhuhr (midday prayer) with asr (afternoon prayer), and maghrib (evening prayer) with isha (night prayer) during travel.  

«أَنَّ النَّبِيَّ ﷺ جَمَعَ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ فِي السَّفَرِ»  

[Machine] The Prophet ﷺ used to combine the prayers during travel and non-travel time: combining Zhuhr and Asr prayers, and Maghrib and Isha prayers.  

أَنَّ النَّبِيَّ ﷺ «جَمَعَ فِي السَّفَرِ وَالْحَضَرِ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ»  

[Machine] "That the Prophet, ﷺ , when he came to a congregation, he prayed Maghrib and Isha with it."  

«أَنَّ النَّبِيَّ ﷺ لَمَّا أَتَى جَمْعًا صَلَّى بِهَا الْمَغْرِبَ وَالْعِشَاءَ»  

the Prophet joined Maghrib and Isha in Jam (Al-Muzdalifah). (Using translation from Nasāʾī 3027)   

أَنَّ النَّبِيَّ ﷺ «صَلَّاهُمَا بِجَمْعٍ الْمَغْرِبَ وَالْعِشَاءَ جَمْعًا»  

[Machine] "I was with the Prophet ﷺ in a gathering, then he combined Maghrib and Isha prayers."  

«كُنْتُ مَعَ النَّبِيِّ ﷺ بِجَمْعٍ فَجَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ»  

[Machine] The Prophet ﷺ used to combine the Maghrib and Isha prayers during rain.  

«أَنَّ النَّبِيَّ ﷺ كَانَ يَجْمَعُ بَيْنَ الصَّلَاتَيْنِ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ فِي الْمَطَرِ»  

[Machine] The Prophet ﷺ performed the combined prayer of Dhuhr and Asr, and the combined prayer of Maghrib and Isha'.  

أَنَّ النَّبِيَّ ﷺ «جَمَعَ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ»  

[Machine] The Prophet ﷺ combined the noon and afternoon prayers and the sunset and evening prayers during travel.  

أَنَّ النَّبِيَّ ﷺ «جَمَعَ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَبَيْنَ الْمَغْرِبِ وَالْعِشَاءِ فِي السَّفَرِ»  

‘Abd Allah bin ‘Umar said The apostle of Allaah ﷺ combined the sunset and the night prayers at Al Muzdalifah. (Using translation from Abū Dāʾūd 1926)   

أَنَّ رَسُولَ اللهِ ﷺ «جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ بِالْمُزْدَلِفَةِ»  

the Messenger of Allah joined Maghrib and Isha in Jam (Al-Muzdalifah). (Using translation from Nasāʾī 3026)  

أَنَّ رَسُولَ اللهِ ﷺ «جَمَعَ بَيْنَ الْمَغْرِبِ وَالْعِشَاءِ بِجَمْعٍ»  

"عَنْ أنَسٍ: أنَّ رَسُولَ الله ﷺ كَانَ يَجْمَعُ بَيْنَ المَغْرِبِ وَالعِشَاءِ في السَّفَرِ".