Sunan an-Nasa'i 482
سنن النسائي#482SahihIt was narrated that 'Aishah said:"The Messenger of Allah (ﷺ) delayed 'Isha' until 'Umar called him and said: 'The women and children have gone to sleep.' Then the Messenger of Allah (ﷺ) came out and said: 'There is no one who is offering this prayer but you.' And at that time no one used to pray except the people of Al-Madinah
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 ZaiSahih - Agreed Upon
In-book reference: 5:35