Originally Posted by
irishguy28
As for ExpertFlyer, perhaps it's accessing a cached/old version of the flight data, or maybe it's just wrong. If, at the airport, they couldn't upgrade you, perhaps that means they are seeing O as 0, despite you seeing O as 1.
ExpertFlyer does not used cached data. We retrieve the data from the airline reservation systems when you request it.
Originally Posted by
agehall
I don't think any tool shows "correct" availability once OLCI starts. At that point, only the folks at the airport knows what is going on and how many seats that are actually available on the plane.
That is correct, once the flight goes under airport control the reservation system availability may not be updated by the airline in real time anymore, if at all.