Originally Posted by
mgcsinc
Unless I'm out of my mind, I've seen next-available-flight-in-the-morning legal layovers without a stopover a million times. I thought that it was axiomatic that, according to each airline's whim, many first-available-flight itins were designated as legal layovers despite being >4 hours.
Of course another option is that this is the "united.com sometimes offers invalid connections" quirk, e.g. I have seen united.com offer three different versions of CLE-LAS-LAX with the same flight on CLE-LAS and three different connections LAS-LAX .