Sunan an Nasai
1457
Sahih Lighairihi+2

Wabarah bin Abdur-Rahman said:"Ibn 'Umar did not offer more than two rak'ahs when traveling, and he did not offer any prayer before or after that. It was said to him: 'What is this?' He said: 'This is what I saw the Messenger of Allah (ﷺ) doing

Sahih LighairihiAbu Ghuddah
Hasan SahihAl-Albani