If you're looking for more comfort and legroom on flights, on September 15, you may get it. <br />That's the date that United Airlines launches its fifth daily flight between Newark Airport and London Heathrow. <br />United's flights on that route will now be flown in what Business Insider describes as a "specialized premium-dense aircraft with 46 Polaris business class seats."<br />This is a 50% increase in the amount of premium business class seats. <br />
