Ok, after doing some more research, I found that Atlanta Falcons did fly into Appleton, Wisconsin (ATW) on 3 Jan.
Filed With: KZAU - Aurora, IL (Chicago)
Proposed Departure Time: 1:00:00 PM
Departing: ATL THE WILLIAM B HARTSFIELD ATLANTA INTL
Destination: ATW OUTAGAMIE COUNTY REGIONAL
Route of Flight: ATL./.HCH..BAE..ATW/2309
FlightID: DAL9810 (Commercial, Jet)
Status: ARRIVED 0214Z (on the 4th at 0214Z).
Company: DELTA AIR LINES, INC.
Country: UNITED STATES
Radio Call: DELTA
Ground Spd: 123 kts (Assigned: 0470)
Altitude: 018(hundreds of feet) (Assigned: 140)
Type: B764 (Boeing Company Model 767-400)
Origin Apt: ATW OUTAGAMIE COUNTY REGIONAL
Dest Apt: ATL THE WILLIAM B HARTSFIELD ATLANTA INTL
Departed: 0030Z ETA: 0202Z
Distance Fm: 666.05 NM To Dest: 3.04 NM