Originally Posted by
JeffP
I priced MCI-ATH for 6 weeks on ual.com for travel next spring. I tried getting to ATH on flights operated by CO or LH, but each time I received an error message as the OP. I finally gave up and booked on vayama because it gave me the best fare for the flights we wanted.
Indeed, this may be a route that UA cannot stay on top of for fares and could make them vulnerable with their lowest fare guarantee.