Umm Farwa said that when asked what act was most excellent, the Prophet replied that it was prayer at the beginning of the proper period for it. Ahmad, Tirmidhi and Abu Dawud transmitted it, and Tirmidhi said that the tradition is transmitted only from the traditions of ‘Abdallah b. ‘Umar al-‘Umari who is not considered by traditionists to be strong.
Hadith Referenceمشكوة المصابيح / كتاب الصلاة / 607
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «صحيح، رواه أحمد (6/ 374، 375 ح 27644، 27645) والترمذي (170) و أبو داود (426) ٭ السند ضعيف و له شواھد صحيحة عند ابن خزيمة (327) وغيره .»