Originally Posted by
abielewi
I have a feeling that ??? comes up when there is no direct flight between old and new destination. I just tried a couple of pairs that I asked the agent about and every time that there is a nonstop flight between the two, Qatar's system returned the distance.
A direct flight operated by who? Or you mean the "???" comes up when there isn't a QR marketed route between the two (like changing LAX-DOH-SIN to DPS would not be OK since you can't buy SIN-DPS on QR)?