| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | Besta deild | 2 | — | 0 | — | — | — |
| 2011 | Besta deild | 15 | 810 | 1 | 0 | 0.11 | — |
| 2012 | Besta deild | 14 | — | 0 | — | — | — |
| 2012 | Eliteserien | 10 | 388 | 0 | 0 | 0 | — |
| 2013 | Besta deild | 18 | 990 | 0 | 0 | 0 | — |
| 2014 | Allsvenskan | 18 | 1200 | 3 | 0 | 0.23 | — |
| 2015 | Allsvenskan | 29 | 2566 | 7 | 8 | 0.53 | — |
| 2016/2017 | Admiral Bundesliga | 22 | 1209 | 3 | 2 | 0.37 | 6.82 |
| 2016 | Allsvenskan | 9 | 772 | 2 | 3 | 0.58 | — |
| 2018 | Allsvenskan | 22 | 1457 | 4 | 5 | 0.56 | 7.2 |
| 2019 | Allsvenskan | 27 | 2023 | 7 | 8 | 0.67 | 7.3 |
| 2020 | Allsvenskan | 20 | 1064 | 1 | 2 | 0.25 | 6.92 |
| 2021 | Major League Soccer (United States) | 30 | 1484 | 2 | 5 | 0.42 | 6.8 |
| 2022 | Major League Soccer (United States) | 16 | 564 | 0 | 0 | 0 | 6.75 |
| 2022 | Allsvenskan | 12 | 945 | 3 | 1 | 0.38 | 7.16 |
| 2023 | Allsvenskan | 28 | 2417 | 9 | 2 | 0.41 | 7.32 |
| 2024 | Allsvenskan | 25 | 1689 | 6 | 1 | 0.37 | 7.13 |
| 2025 | Allsvenskan | 28 | — | 5 | — | — | 6.9 |
| 2026 | Besta deild | 17 | 1241 | 7 | 5 | 0.87 | 7.52 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-09-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 IFK Göteborg | 4 | 0 | 1 | 3 | 1 | 0 | 0 | 0 |
 Halmstad | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 |
 Häcken | 4 | 1 | 0 | 3 | 1 | 0 | 2 | 0 |
 Sirius | 4 | 1 | 0 | 3 | 0 | 0 | 2 | 0 |
 Genk | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Brommapojkarna | 4 | 0 | 1 | 3 | 2 | 0 | 1 | 0 |
 Värnamo | 4 | 3 | 0 | 1 | 2 | 1 | 1 | 0 |
 Malmö FF | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 ÍBV | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 Degerfors | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Breidablik | 3 | 0 | 1 | 2 | 0 | 1 | 1 | 0 |
 Stjarnan | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Thór | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 FH | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 FC København | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kalmar | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Helsingborg | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 |
 Beşiktaş | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Dynamo Kyiv | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
 FC Midtjylland | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Qatar | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Finland | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
 Norway | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Bosnia and Herzegovina | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 France | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Slovakia | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Montenegro | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kosovo | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
In the 2026 Besta deild, Arnór Traustason made 17 appearances (1,241 minutes), with 7 goals and 5 assists — 0.87 goal involvements per 90. Per-match rating over the season: 7.52.
His current 2026 rating of 7.52 tops his recorded career; 2022 (6.75) marks the low. Compared with his earlier career average, the last two rated seasons are up by 0.17.
