Season | Team | League | GP | G | A | P | +/- | PIM | PPG | PPP | SHG | SHP | TOI | GWG | OTG | S | S% | FO% |
|---|
| 2025-26 | Utah Mammoth | NHL | 59 | 13 | 10 | 23 | 11 | 14 | 0 | 0 | 0 | 0 | 11:48 | 2 | 0 | 60 | 21.7% | 41.2% |
| 2024-25 | Utah Hockey Club | NHL | 12 | 2 | 1 | 3 | -1 | 2 | 1 | 2 | - | - | 12:07 | - | - | 13 | 15.4% | - |
| 2023-24 | Seattle Kraken | NHL | 59 | 8 | 8 | 16 | -9 | 18 | 2 | 6 | - | - | 11:59 | 2 | - | 61 | 13.1% | - |
| 2022-23 | Edmonton Oilers | NHL | 58 | 10 | 15 | 25 | 12 | 24 | - | - | 1 | 2 | 16:35 | 3 | - | 97 | 10.3% | - |
| 2021-22 | Edmonton Oilers | NHL | 81 | 20 | 21 | 41 | -1 | 40 | 3 | 6 | 1 | 2 | 16:52 | 4 | - | 114 | 17.5% | - |
| 2020-21 | Edmonton Oilers | NHL | 52 | 8 | 13 | 21 | 9 | 26 | 1 | 2 | - | 1 | 16:22 | - | - | 69 | 11.6% | - |
| 2019-20 | Edmonton Oilers | NHL | 27 | 11 | 15 | 26 | 17 | 12 | 2 | 2 | - | - | 17:23 | - | - | 44 | 25.0% | - |
| 2018-19 | Edmonton Oilers | NHL | 17 | 1 | 1 | 2 | -6 | 2 | - | 1 | - | - | 13:04 | - | - | 13 | 7.7% | - |
| 2017-18 | Edmonton Oilers | NHL | 9 | 0 | 3 | 3 | -2 | 2 | - | 1 | - | - | 15:10 | - | - | 23 | - | - |
| Total | - | - | 374 | 73 | 87 | 160 | +30 | 140 | 9 | 20 | 2 | 5 | 131:20 | 11 | 0 | 494 | 0.0 | 0.0 |
Kailer has been involved in 1 trade.