I have an upcoming trip LAX-CPH and see that DL has 2 options
1. LAX-AMS-CPH 747/737
2. LAX-CDG-CPH 380/319

Ill be in J and looking for recs - do they both offer lie flat seats for the TATL? What else differentiates them? I don’t remember flying a 747 so pardon my ignorance

Thanks,
H