質問: what is the difference between 遅くなってすみません and おくれるごめん ? what is the difference between 遅くなってすみません and おくれるごめん ?
回答: 遅くなってすいません is natural. it means i'm sorry i'm late. おくれるごめん is i guess "遅れそう、ごめん" . it means "i'm sorry i probably will be late."