Often I have heard the question, “How late can one arrive to Mass and still receive the Eucharist?”
The Answer is: The Church has very simple requirements: Canon 843.1 notes that Sacred ministers cannot deny the sacraments to those who seek them at appropriate times, are properly disposed, and are not prohibited from receiving them. And Canon 912 notes that “Any baptized person not prohibited by law can and must be admitted to holy Communion.”
Mass is not required to simply receive Communion, as Communion takes place outside of Mass at various times and occasions. All that is left to fulfill is being properly disposed, i.e., free of mortal sin, fasted for one hour, and spiritually attentive to the sacrament. Being a little late to Mass might not throw off the opportunity to be properly disposed, but being very late could well lead someone to not be properly prepared to receive so great a sacrament. However, there could be legitimate reasons and exceptions.
So, here’s a little more to chew on when thinking about the headlined question:
Timing Matters: If you arrive after the consecration, it is generally advised not to receive Communion. This is because you have not fully participated in the Mass.
Proper Disposition: To receive Communion, one must be properly disposed, meaning free from mortal sin and having fasted for at least one hour before receiving.
Exceptions: If you arrive late due to unforeseen circumstances, such as traffic, you may still be able to receive Communion, especially on weekdays. However, it is recommended to attend another Mass if you arrive late on Sundays or Holy Days of Obligation.