[2] In his second year in North America, during the 2019–20 season, Kähkönen was recalled by Minnesota from American Hockey League (AHL) affiliate, the Iowa Wild, on 20 November 2019.

[3] After serving as backup for two games, he became just the fourth Minnesota Wild goaltender to be given a start for his NHL debut against the New Jersey Devils at the Prudential Center on 26 November 2019.

[4] Kähkönen officially conceded his first goal against to Devils' rookie Jesper Boqvist, despite the NHL later admitting error from an incorrect ruling in a coach's challenge review from the Wild.

[6] During the 2021–22 season, on 21 March 2022, Kähkönen was dealt at the NHL trade deadline to the San Jose Sharks, in exchange for defenceman Jacob Middleton and a 2022 fifth-round draft selection.

[10] After attending Winnipeg's training camp and preseason, Kähkönen lost out on the backup job to fellow netminder Eric Comrie and was subsequently placed on waivers by the Jets at the commencement of the 2024–25 season.

[13] Without adding to his debut game with the Avalanche, Kähkönen was placed back on waivers to make room on the roster for the previously suspended Valeri Nichushkin, and was re-claimed by the Winnipeg Jets on 12 November.