Originally Posted by
sydneyracquelle
I have tried this many times over the years with companion certs. The only success I have had is using WAS, NYC and CHI for these co-terminals. I haven’t found any other instances where companion certs work into and out of different airports.
After a significant schedule change I was able to change a rountrip using a companion certificate from MCO-LAX-MCO to MCO-LAX, SNA-ATL-MCO. I was surprised that I was able to make that change online even.