Originally Posted by
tafer2uk
Outbound flights for example from LHR via DEL to BKK are 9W121 & 9W64
Inbound 9W63 & 9W122
All of the above 4 flight numbers are for the main-line Jet Airways flights.
You probably seem to be using an OTA / Consolidator, who may not display the most accurate info.
Try
ITA Matrix or
Google Flights