Jami` at-Tirmidhi 711

جامع الترمذي#711Sahih

Aishah narrated that :Hamzah bin Amr Al-Aslami asked the Messenger of Allah about fasting while traveling, and he fasted regularly. So the Messenger of Allah said: 'If you wish then fast, and if you wish then break (the fast)

Scholarly Authentication

We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:

Ahmad Muhammad ShakirSahih

Al-AlbaniSahih

Bashar Awad MaaroufHasan Sahih

Zubair Ali ZaiIsnaad Hasan

In-book reference: 8:30

All of Jami` at-Tirmidhi