Is it permissible for the pilgrim to cast the pebbles of the last day before Zawāl (after Fajr) in order to perform Tawāf al-Wadāʿ and depart in the afternoon to catch the flight, and is it sufficient to offer the Hady after Tawāf al-Wadāʿ?

Throwing stones before zawal (midday) is not permissible according to the majority of scholars. So, if someone throws stones before it and does not rectify it after zawal, he must offer a sacrifice (dam) to be slaughtered in Mecca and distributed among the poor of the Haram. If he is unable to do so, he must fast for ten days. However, if waiting for zawal would cause extreme hardship, there is no impediment to adopting the view of those who permit throwing stones before zawal to avoid difficulty, and in that case, the precautionary measure is to offer a sacrifice (hady).