Hadith
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ لاَ يَصُومُ فِي السَّفَرِ .
Yahya related to me from Malik from Nafi that Abdullah ibn Umar used not to fast while travelling
Sahih · Salim al-Hilali
Muwatta Malik 656 ·Book 18, Hadith 27·Also available on sunnah.com·