Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:18598al-Ḥusayn b. Isḥāq al-Tustarī And al-Ḥaḍramī > Muḥammad b. ʿImrān b. Abū Laylá from his father > Ibn Abū Laylá > ʿAwn b. Abū Juḥayfah from his father

[Machine] That the Messenger of Allah ﷺ went out traveling and he continued to pray two Rak'ahs until he returned.  

الطبراني:١٨٥٩٨حَدَّثَنَا الْحُسَيْنُ بْنُ إِسْحَاقَ التُّسْتَرِيُّ وَالْحَضْرَمِيُّ قَالَا ثنا مُحَمَّدُ بْنُ عِمْرَانَ بْنِ أَبِي لَيْلَى عَنْ أَبِيهِ عَنِ ابْنِ أَبِي لَيْلَى عَنْ عَوْنِ بْنِ أَبِي جُحَيْفَةَ عَنْ أَبِيهِ

«أَنَّ رَسُولَ اللهِ ﷺ خَرَجَ مُسَافِرًا فَلَمْ يَزَلْ يُصَلِّي رَكْعَتَيْنِ حَتَّى رَجَعَ»