Maps are organized in reverse date order, with the source noted. Click on each link to view.
2000s
- July 2002 – WorldTraveler magazine
- 2000 NWA Annual Report
1990s
- 1999 NWA Annual Report
- August 1999 – WorldTraveler magazine
- July 1999 – WorldTraveler magazine
- May 1999 – Airlink map from NWA quarterly report
- April 1999 – from NWA newsletter
- Fall 1997 – staff newsletter
- October 1996 – Mesaba quarterly report
- August 1996 – inflight magazine
- 1992 AirTran Annual Report
- September 5, 1991 – Mesaba internal document
- 1990 AirTran Annual Report
1980s
- September 30, 1988 – Mesaba quarterly report
- June 5, 1986 – Northwest Orient timetable
- December 15, 1985 – System Timetable
- October 12, 1985 – System Timetable
- June 3, 1985 – System Timetable
- December 1, 1984 – System Timetable
- October 28, 1984 – System Timetable
- September 15, 1984 – System Timetable
- December 15, 1983 – System Timetable
- October 30, 1983 – System Timetable
- April 24, 1983 – System Timetable
- July 1, 1982 – System Timetable
- April 1, 1982 – System Timetable
- January 15, 1982 – System Timetable
- June 12, 1981 – System Timetable
- May 1, 1980 – System Timetable
1970s
- June 15, 1977 – NWAHC reconstruction per OAG data
