Sunan an-Nasa'i 2308
سنن النسائي#2308SahihIt was narrated from Aishah that Hamzah Al-Aslami asked the Messenger of Allah about fasting while traveling as he was a man who used to fast continually. He said:"If you wish then fast and if you wish then do not fast
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 22:219