Hadith 1106
Narrated Salim's father: The Prophet used to offer the Maghrib and `Isha' prayers together whenever he was in a hurry on a journey.
Hadith 1107
Narrated Ibn `Abbas: Allah's Apostle used to offer the Zuhr and `Asr prayers together on journeys, and also used to offer the Maghrib and `Isha' prayers together. Narrated Anas bin Malik: The Prophet used to offer the Maghrib and the `Isha' prayers together on journeys.
Hadith 1108
Narrated Anas: Allah's Apostle used to offer these two prayers together on journeys i.e. the Maghrib and the `Isha'.