Aisha reported: The Messenger of Allah, peace and blessings be upon him, said, “There is no day upon which Allah frees more of His servants from the Hellfire than the day of Arafat. He draws near and then He boasts of them to the angels, saying: What do these servants want?”
Source: Ṣaḥīḥ Muslim 1348
Grade: Sahih (authentic) according to Muslim
عَنْ عَائِشَةَ قَالَتْ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَا مِنْ يَوْمٍ أَكْثَرَ مِنْ أَنْ يُعْتِقَ اللَّهُ فِيهِ عَبْدًا مِنْ النَّارِ مِنْ يَوْمِ عَرَفَةَ وَإِنَّهُ لَيَدْنُو ثُمَّ يُبَاهِي بِهِمْ الْمَلَائِكَةَ فَيَقُولُ مَا أَرَادَ هَؤُلَاءِ
1348 صحيح مسلم كتاب الحج باب في فضل الحج والعمرة ويوم عرفة