As other reply points out, due to regulations, outside companies can't fly domestic routes. Interestedly, parent article mentions this fact as well. But anothe

As other reply points out, due to regulations, outside companies can't fly domestic routes. Interestedly, parent article mentions this fact as well. But another interesting fact is that speed of flying is not going to increase - it actually decreased just recently with termination of Concord service. All new planes are developed to be more economical, not faster (which is more expensive due to laws of physics). NY to London in 7 hours is considered fast enough, very few people want to pay more for faster service.