(407) بَابُ مَا يَقُولُ الرَّجُلُ إِذَا رَأَى غَيْمًا
'Abdullah ibn Mas'ud reported that the Prophet, may Allah blesshim and grant him peace, said, "Paying attention to the bad omen (tayyara)is association (shirk). It has nothing to do with us. Allah willremove it by reliance on Him."
Reference: Al-Adab Al-Mufrad 909
In-book reference: Book 39, Hadith 3
English translation: Book 39, Hadith 909