Year-by-year
| Year | Division | League | Reg. Season | Playoffs | Challenge Cup | American Cup |
|---|---|---|---|---|---|---|
| 1911/12 | N/A | AAFBA | N/A | Final | N/A | Did not enter |
| 1912/13 | N/A | AAFBA | 1st | Champion (no playoff) | N/A | Did not enter |
| 1913/14 | N/A | AAFBA | 1st | Champion (no playoff) | Third round | Champion |
| 1914/15 | N/A | ALAFC | 1st | Champion (no playoff) | Champion | Semifinal |
| 1915/16 | N/A | ALP | 2nd | No playoff | Champion | Champion |
| 1916/17 | N/A | N/A | N/A | N/A | Final | Champion |
| 1917/18 | N/A | NAFBL | 2nd | No playoff | Champion | Champion |
| 1918/19 | N/A | NAFBL | 1st | Champion (no playoff) | Champion | Champion |
| 1919/20 | N/A | NAFBL | 1st | Champion (no playoff) | Quarterfinal | Final |
| 1920/21 | N/A | NAFBL | 1st | Champion (no playoff) | Second round | Semifinal |
| 1921/22 | see Philadelphia Field Club | |||||
| 1922/23 | 1 | ASL | 2nd | No playoff | Third round | Second round |
| 1923/24 | 1 | ASL | 2nd | No playoff | Semifinals | Champion |
| 1924/25 | 1 | ASL | 2nd | No playoff | Did not enter | N/A |
| 1925/26 | 1 | ASL | 4th | No playoff | Champion | N/A |
| 1926/27 | 1 | ASL | 1st | Champion (no playoff) | Semifinals | N/A |
| 1927/28 | 1 | ASL | 2nd (1st half); 4th (2nd half) | Semifinals | First Round | N/A |
| 1928/29 | 1 | ASL | withdrew after 6 games | N/A | N/A | N/A |
| 1928-29 | N/A | ESL | 1st | Champion (no playoff) | Quarterfinal | N/A |
| 1929 | N/A | ESL | 1st | Champion (no playoff) | N/A | N/A |
| 1930 | 1 | ACL (ASL) | 7th (Spring) | No playoff | Semifinals | N/A |
Read more about this topic: Bethlehem Steel F.C.