Database
[{"document_name":"My Document","status":[{"status_time":ISODate("2020-06-09T17:56:34.350Z"),"status_title":"Sample Title 1"},{"status_time":ISODate("2020-06-10T17:56:34.350Z"),"status_title":"Sample Title"}]}]
Query
db.collection.aggregate([{$project:{status:{$reduce:{input:"$status",initialValue:null,in:{$cond:[{$gte:["$$this.status_time","$$value.status_time"]},"$$this","$$value"]}}}}}])