Read all Ahadith in prayer (kitab al-salat): detailed rules of law about the prayer during journey by sunan abu dawood

Narrated Aishah, Ummul Muminin: The prayer was prescribed as consisting of two rak'ahs both when one was resident and when travelling. The prayer while travelling was left according to the original prescription and the prayer of one who was resident was enhanced.

Narrated Yala bin Umayyah: I remarked to Umar al-Khattab: Have you seen the shortening of the prayer by the people today while Allah has said: If you fear that those who are infidels may afflict you , whereas those days are gone now? He replied: I have wondered about the same matter for which you wondered. So I mentioned this to the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم. He said: It is an act of charity which Allah has done to you, so accept his charity.

The above mentioned tradition has also been narrated through a different chain of transmitters by Abdullah bin Abi Ammar who narrated it in like manner. Abu Dawud said: This has been transmitted by Abu Asim and Hammad bin MAsadah as transmitted by Ibn Bakr.

Narrated Yahya bin Yazid al-Hannani: I asked Anas bin Malik about the shortening of the prayer (while travelling). He said: When the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم went out on a journey of three miles or three farsakh (the narrator Shubah doubted), he used to pray two rak'ahs.

Narrated Anas bin Malik: I prayed along with the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم four rak'ahs at the noon prayer at Madina and two rak'ahs at the afternoon prayer in Dhu al-Hulaifah.

Narrated Uqbah ibn Amir: I heard the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم say: Allah is pleased with a shepherd of goats who calls to prayer at the peak of a mountain, and offers prayer, Allah, the Exalted, says: Look at this servant of Mine; he calls to prayer and offers it and he fears Me. So I forgive him and admit him to paradise.

Narrated Mishaj bin Musa: I asked Anas bin Malik: Narrate to us what you heard the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم say. He said: When we travelled along with the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم, we would say: Did the sun pass the meridian or not? But he (the Prophet) would offer the noon prayer and then proceed.

Narrated Anas ibn Malik: When the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم halted at a certain place (while on a journey), he would not leave that place till he offered the noon prayer. A man said to him: Even if in the middle of the day? He replied: Even if in the middle of the day.

Narrated Muadh bin Jabal: They (the Companions) proceeded on the expedition of Tabuk along with the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم. He combined the noon and afternoon prayers and the sunset and night prayers. One day he delayed the prayer and came out (of his dwelling) and combined the noon and the afternoon prayers. He then went it and then came out and combined the sunset and the night prayers.

Narrated Abdullah ibn Umar: Ibn Umar was informed about the death of Safiyyah (the wife of the Prophet) when he was at Makkah. He proceeded till the sun set and the stars shined. He said: When the Prophet صلی ‌اللہ ‌علیہ ‌وسلم was in a hurry about something while on a journey, he would combine both these prayers. He proceed till twilight had disappeared. He then combined both of them (the prayers).