- They won the 1953-54 New Brunswick Senior Hockey League championship and the 1953-54 Maritimes Senior Playoffs. The Capitals then lost the semi final in the 1953-54 Eastern Canada Allan Cup Playoffs.
- They won the 1966-67 Eastern Canada Intermediate Playoffs.
- They lost the Hardy Cup Final.
|1928-29 SNBSHL season||4th||Did not qualify|
|1929-30 SNBSHL season||4th||Did not qualify|
|1932-33 SNBSHL season||1st||Lost Final|
|1936-37 SNBSHL season||2nd||Lost Final|
|1937-38 SNBSHL season||3rd||Suspended by league during Semifinal series|
|1938-39 SNBSHL season||1st||Won Championship|
|1938-39 Maritimes Senior Playoffs||4||2||2||0||12||15||4||-||Lost Provincial Semifinals|
|1954-55 ACSHL||66||27||32||7||228||245||61||3rd||Lost Semifinals|
|1955-56 ACSHL||70||27||36||7||277||235||61||3rd||Defaulted Final|
|1956-57 SNBSHL Season||22||16||5||1||186||102||33||1st||Won Championship|
|1956-57 Maritimes Senior Playoffs||9||3||6||0||47||57||6||-||Lost Semifinals|
Note: The 1955-56 ACSHL final was tied at 4 games each with one tie. Fredericton objected to the tenth game being played at St John, saying that five games had already been played there. Five Fredericton players carried it further - they refused to board the bus to go to the game. This caused the Capitals to default the game and the series. The team later sued these players.