Kuraib narrates: On one occasion, Abdullah ibn Abbas (may Allah be pleased with them both) said: Shall I tell you about the way the Prophet Muhammad (peace and blessings be upon him) performed prayer during travel? We replied: Yes! So he said: When the Prophet (peace and blessings be upon him) was at his residence and the sun had declined (i.e., it was noon), the Prophet (peace and blessings be upon him) would perform the Zuhr and Asr prayers together before setting out on his journey. And if, while the Prophet (peace and blessings be upon him) was at home, the sun had not yet declined (i.e., it was not yet noon) and he intended to depart, he would set out, and when the time for Asr arrived, he would stop during the journey and perform both Zuhr and Asr prayers together at that time. Similarly, if the time for Maghrib arrived while he was at his residence, he would perform Maghrib and Isha prayers together, and if the time for Maghrib had not yet arrived, he would depart and, at the time of Isha, perform both prayers together. This narration from Abdullah ibn Abbas (may Allah be pleased with them both) is also transmitted through some other chains of narration.

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: It was the practice of the Prophet (peace and blessings be upon him) that when the sun would decline, he would perform the Zuhr and Asr prayers together. And when he would set out before the sun’s decline, he would delay both these prayers until he performed them both at the time of the Asr prayer.

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: When the Prophet (peace and blessings be upon him) camped at a place and the sun had already declined, he would not set out until he had performed the Asr prayer. And if he had set out before the sun's decline, then he (peace and blessings be upon him) would perform both prayers at the time of Asr prayer.

Abdullah bin Abbas (may Allah be pleased with them both) narrates: When the Prophet (peace and blessings be upon him) intended to set out after the sun had passed its zenith, he would combine the Zuhr and Asr prayers and perform them together. And if he intended to set out before that, he would delay the Zuhr prayer until the time of Asr and then perform them together.

Sayyiduna Anas (may Allah be pleased with him) narrates: When the Prophet (peace and blessings be upon him) had to combine the Zuhr and Asr prayers during a journey, he would delay the Zuhr prayer until the beginning time of Asr arrived, and then he would perform both prayers together at that time.

Ibn Shihab narrates from Sayyiduna Anas (may Allah be pleased with him): When the Prophet (peace and blessings be upon him) intended to set out on a journey before the sun had declined, he would depart, and when the time for ‘Asr began, he would halt and combine both prayers. And if he (peace and blessings be upon him) did not set out until after the sun had declined, he (peace and blessings be upon him) would perform the Zuhr prayer and then depart.

Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates: When the Prophet (peace and blessings be upon him) intended to combine the Zuhr and Asr prayers, he would delay the Zuhr prayer until the beginning of the time for Asr had started, then after that he would perform both prayers together.

Nafi' narrates: Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) came to Makkah. He received news of the illness of his wife, Safiyyah bint Abu Ubaid, so Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) hastened his journey. When the sun had set, one of his companions said: The time for prayer has come, but Sayyiduna Abdullah remained silent. The companion who had asked him to pray thought that surely he must have some knowledge about this matter that I am not aware of. Then Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) continued traveling until the twilight disappeared. Then he stopped and called the iqamah for prayer; he would not give the adhan for prayer while traveling. Here, the Nishapuri narrator has narrated one word differently; the following words are agreed upon by the narrators. They narrate: Sayyiduna Abdullah (may Allah be pleased with him) stood up and performed Maghrib and Isha prayers together. Then he explained: When the Prophet Muhammad (peace and blessings be upon him) wanted to travel quickly, he would combine Maghrib and Isha prayers a little while after the twilight had disappeared. The Prophet (peace and blessings be upon him) would perform prayer on the back of his mount during travel, regardless of which direction the mount was facing. Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) informed the people: The Prophet (peace and blessings be upon him) used to do the same.

Salim narrates: Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) received news of the illness of his (wife) Safiyyah, so he began to travel quickly. Then he narrated a similar report from the Prophet Muhammad (peace and blessings be upon him), in which are the words: "A little while after the twilight has set." Ibn Wahb has followed him in this narration.

Sayyiduna Ali (may Allah be pleased with him) narrates: When the Prophet (peace and blessings be upon him) intended to set out on a journey after the sun had declined, he would combine the Zuhr and Asr prayers and perform them together. And when he intended to set out before that, he would delay the Zuhr prayer and perform the Asr prayer early, and would perform both prayers together.