Originally Posted by
WorldFlyer999
after looking thru some load factors it seems atl-lhr seems like a much busier route than jfk-lhr. Why is there only 1 flight out of atl opposed to 2 out of jfk?
Also note that Delta's second JFK flight is daytime eastbound. The landing slot is consequently at an off-peak time. That same slot probably wouldn't work from ATL (as it would require very early departure from ATL).