Prayer: A Traveller Following a Non-Traveller and Vice Versa

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 1469

It is disapproved for a traveller who performs ẓuhr, ʿaṣr, and ʿishāʾ as two rakʿah prayers to follow in these prayers someone who is not a traveller. Similarly, it is disapproved for someone who is not a traveller to follow in these prayers someone who is a traveller.

-Ayatullah Sistani, Practical Laws of Islam, Prayer (Salah)