Originally Posted by
rill2503456
Sure, a sample search I did was TYO-NYC on August 12th. There's nothing available, although TYO-FNT yields itineraries like this:

I'm not sure if this is really married segment thing or something else.
First, it's definitely not an AA thing. AS doesn't show F availability for just flight either.
Is this a matter of them only offering the availability to certain destinations (that they don't serve?) I always thought that married segment referred to multiple flights on the same operating carrier.