A:
Observing the order of Salah is obligatory. Thus, anyone who
delays the Maghrib Prayer until the time for the `Isha' becomes due for a valid excuse should offer the two Salahs in order, that is, they should offer the Maghrib Prayer first and then the `Isha' Prayer. (Part No. 5; Page No. 94) May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.