Abu Dawud said: The narrator Mufaddal was the judge of Egypt. His supplication was accepted by Allah; he was the son of Fudalah.
In-book : Book 4, Hadith 21
English translation : Book 4, Hadith 1214
4. Prayer (Kitab Al-Salat): Detailed Rules of Law about the Prayer during Journey
باب الْجَمْعِ بَيْنَ الصَّلاَتَيْنِ