Sunan an-Nasa'i 3028
سنن النسائي#3028SahihIt was narrated from Salim, from his father, that:the Messenger of Allah joined Maghrib and Isha; in Jam (Al-Muzdalifah), with one Iqamah, and he did not offer any voluntary prayers in between or after either of them
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: 24:411