Sunan Ibn Majah
1063
Sahih+3

It was narrated that ‘Umar said:“The prayer while traveling is two Rak’ah, and Friday is two Rak’ah, and ‘Eid is two Rak’ah. They are complete and are not shortened, as told by Muhammad (ﷺ).”

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi