Hafiz Abdush Shakoor Tirmidhi
Benefits:
From the aforementioned hadiths, it is understood that during travel, both fasting and not fasting are permissible. However, in some narrations it is mentioned that the Messenger of Allah (sallallahu alayhi wa sallam) saw a man during a journey over whom people had gathered and were shading him. The Prophet (sallallahu alayhi wa sallam) asked: "What is the matter?" The people replied that he was a fasting person. The Messenger of Allah (sallallahu alayhi wa sallam) then said: ((Laysa min al-birri as-sawmu fi as-safar.)) (Muslim, Kitab al-Siyam, No: 1115) ... "Fasting during travel is not an act of righteousness."
Imam Shawkani (rahimahullah) states: Whoever finds fasting difficult, or for whom fasting (during travel) is harmful, or who turns away from accepting the concession, or who fears falling into pride or showing off by fasting during travel, then for such a person, it is better to leave the fast. And for the one who is free from these matters, for him, fasting is better. (Nayl al-Awtar: 3/201)
Imam Malik, Imam Shafi'i, and Imam Abu Hanifah (rahimahumullah) state: If there is no hardship in travel, then fasting is preferable; if there is fear of hardship, then leaving the fast is preferable. In another narration, it is mentioned that the Messenger of Allah (sallallahu alayhi wa sallam) said regarding those who fasted: ((Ulaa'ika al-'usaat, ulaa'ika al-'usaat.)) (Muslim, No: 114; Sunan al-Tirmidhi, No: 710) ... "These people are disobedient, these people are disobedient." The majority respond to this by saying that the Prophet (sallallahu alayhi wa sallam) said this specifically because they opposed his command to break the fast on that particular day. (Subul al-Salam: 2/886) Because the people had complained that fasting had caused them hardship, so the Prophet (sallallahu alayhi wa sallam) broke his fast so that, seeing him, the rest of the people would also break their fast. However, some people did not break their fast, so the Prophet (sallallahu alayhi wa sallam) called them disobedient.
Source: Musnad Ishaq bin Rahwayh, Page: 426