Sunan an-Nasa'i 2298
سنن النسائي#2298SahihIt was narrated that Hamzah bin 'Amr Al-Aslami said:"O Messenger of Allah, I feel able to fast while traveling." 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: 22:209