Is AA108 from HNL to LHR bookable ?
Even aa.com doesn't show a direct flight (availability), rather shows AA108 to AA108 connection.
expertflyer.com also shows AA108/AA108 conections.
IMHO, AA108 from HNL to LHR wasn't filed into GDS.
By the way, can we book
AA145 DFW-ANC-DFW as one segment ? :-)
If you want to look for odd flights,
on 1st January 2017,
JL1711 from HND to HND was operated.
JL2911 from NRT to NRT was operated.