[3] While quarantined at the height of the COVID-19 pandemic, Luchanko's father converted their basement into a personal gym, which improved Jett's strength and fitness while he could not play hockey.
[13] After impressing head coach John Tortorella and general manager Daniel Brière in training camp, Luchanko was named to the Flyers' opening night roster for the 2024–25 NHL season.
[14] At 18 years and 51 days old when he debuted against the Vancouver Canucks on October 11, Luchanko became the youngest player to appear in a game in Flyers history.
[17] Luchanko made his first international competition appearance at the 2022 World U-17 Hockey Challenge, playing for Team Canada Red.
[20] Luchanko then appeared with the Canada men's national under-18 ice hockey team at the 2024 IIHF World U18 Championships in Finland.