Abu Saeed Khudri reported,

We used to travel with the Messenger of Allah ﷺ during Ramadan, and neither the one fasting was criticized for his fasting nor the one not fasting for breaking his fast.

Muslim 2617

Sahih

حدثنا نصر بن علي الجهضمي حدثنا بشر يعني ابن مفضل عن أبي مسلمة عن أبي نضرة

عن أبي سعيد رضي الله عنه قال

كنا نسافر مع رسول الله ﷺ في رمضان فما يعاب على الصائم صومه ولا على المفطر إفطاره

مسلم 2617صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Fasting
Chapter
Permissibility of fasting and breaking the fast in Ramadan for a traveler not in disobedience when his journey is two stages or more, and that it is better for one who can bear it without harm to fast and for one who finds it difficult to break the fast
Numbering
Darussalam 2617
Muslim 2617