Domains like chicagoflights and parisflights make some sense, because people might be searching for exactly this stuff. Almost nobody searches Mississippi flights, because it's not a city/destination/airport.
So, if domains like chicagoflights sold for $100-$200, Mississippi flights might be worth $1-$2 probably. But that was before pandemic. Now with decreased demand for flights, and sudden airline business decline, I appraise it at $0.10-$0.20.