Sayyiduna Mu'awiyah (may Allah be pleased with him) said: Fasting during travel is not the Sunnah.
Imam al-Tabarani recorded this narration in al-Mu'jam al-Kabir, and its chain contains a narrator whom I do not know.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الصيام / 4931
Hadith Gradingمحدثین:إسناده ضعیف
Hadith Takhrij«اخرجه الطبراني فى المعجم ا الكبير (394/19)»