Jami` at-Tirmidhi 486
جامع الترمذي#486Hasanحَدَّثَنَا أَبُو دَاوُدَ، سُلَيْمَانُ بْنُ سَلْمٍ الْمَصَاحِفِيُّ الْبَلْخِيُّ أَخْبَرَنَا النَّضْرُ بْنُ شُمَيْلٍ، عَنْ أَبِي قُرَّةَ الأَسَدِيِّ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ عُمَرَ بْنِ الْخَطَّابِ، قَالَ إِنَّ الدُّعَاءَ مَوْقُوفٌ بَيْنَ السَّمَاءِ وَالأَرْضِ لاَ يَصْعَدُ مِنْهُ شَيْءٌ حَتَّى تُصَلِّيَ عَلَى نَبِيِّكَ صلى الله عليه وسلم .
Umar bin Al-Khattab narrated:"Indeed the supplication stops between the heavens and the earth. Nothing of it is raised up until you send Salat upon your Prophet
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 3:34