A memory system supporting an interleaving operation including: a plurality of memory devices; and a controller suitable for detecting whether, among a plurality of logical address groups inputted to perform a read or write operation in the plurality of memory devices, first logical address groups having values related to each other are inputted, and for adjusting, when physical storage locations of data corresponding to logical addresses of the first logical address groups are inaccessible using interleaving, the physical storage locations of the data to locations that are accessible using interleaving and store the data in adjusted locations.