Kyle Connor connected for the third straight game and had two assists, Mark Scheifele had his team-leading 11th goal, and Jansen Harkins also scored for the Jets. They have won two straight and three of four to improve to 13-6-1.
Connor Hellebuyck made 23 saves and defenseman Josh Morrissey had three assists as Winnipeg dominated with a 44-shot attack.
Taylor Raddysh scored for the second straight game and Jujhar Khaira had a power-play goal for Chicago, 0-6-1 during its slide.
The Jets moved ahead of Colorado and into second place in the Central Division. With 27 points, Winnipeg is one behind first-place Dallas.
Maenalanen entered with just one goal and one assist in 19 games this season and five career goals in 53 games The 6-foot-4 Finn had his second two-goal game in the NHL; he had one in January 2019 with Carolina against the Rangers.
Petr Mrazek stopped 37 shots for Chicago.
NOTES: An apparent tip-in goal by Chicago’s Andreas Athanisiou 6:18 into the first was disallowed after a video review showed he was offside. … The Jets activated F Morgan Barron from injured reserve (upper-body) and assigned D Ville Heinola to the Manitoba Moose of the AHL. ? Winnipeg C David Gustafsson sat out with an undisclosed injury and veteran C Sam Gagner (only two assists in nine games) was a healthy scratch. ? Blackhawks D Mark Tinordi sat out with an undisclosed “chronic issue.” D Filip Roos took his spot in the lineup.
Jets: Host Colorado on Tuesday night.
Blackhawks: Host Edmonton on Wednesday night.