Message posted by Joerg (Webmaster) on July 10, 2018 at 17:20:24 PST:
Are you referring to a flight number? The closest I see on flightaware is a daily Southwest flight SWA 1723. WN is not recognized as an airline code. Can you post more info or a link?
In Reply to: WN1723 posted by Chris on July 10, 2018 at 11:54:20 PST: