League standings -- American League
Regular season
| Divisional |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | RF | RA | Mgn | Mgc |
| 1939 | New York Mutuals | 68 | 36 | .654 | - |   | 8-2 | W1 | wlwlwwwwww | 488 | 377 | 111 | 44 |
| 1939 | San Diego Glaziers | 61 | 43 | .587 | 7 |   | 5-5 | L4 | llllwwwwlw | 577 | 487 | 90 | 58 |
| 1939 | Schenectady Blue Sox | 59 | 45 | .567 | 9 |   | 4-6 | L1 | lwlwllwlwl | 558 | 500 | 58 | 60 |
| 1939 | New Haven Whiffenpoofs | 56 | 48 | .538 | 12 |   | 6-4 | W1 | wlwlwwlwlw | 569 | 515 | 54 | 63 |
| 1939 | Louisville Colonels | 44 | 60 | .423 | 24 |   | 4-6 | W2 | wwlllwwlll | 480 | 569 | -89 | 75 |
| 1939 | Frankfort Frogs | 42 | 62 | .404 | 26 |   | 5-5 | L1 | lwwlwllwwl | 532 | 615 | -83 | 77 |
| 1939 | West Baden Sprudels | 38 | 66 | .365 | 30 |   | 5-5 | L2 | llwwlllwww | 524 | 596 | -72 | 81 |
| Wildcard |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | Mgc |
| 1939 | New York Mutuals | 68 | 36 | .654 | na |   | 8-2 | W1 | wlwlwwwwww |   |
| 1939 | San Diego Glaziers | 61 | 43 | .587 | - |   | 5-5 | L4 | llllwwwwlw | 49 |
| 1939 | Schenectady Blue Sox | 59 | 45 | .567 | 2 |   | 4-6 | L1 | lwlwllwlwl | 53 |
| 1939 | New Haven Whiffenpoofs | 56 | 48 | .538 | 5 |   | 6-4 | W1 | wlwlwwlwlw | 56 |
| 1939 | Louisville Colonels | 44 | 60 | .423 | 17 |   | 4-6 | W2 | wwlllwwlll | 68 |
| 1939 | Frankfort Frogs | 42 | 62 | .404 | 19 |   | 5-5 | L1 | lwwlwllwwl | 70 |
| 1939 | West Baden Sprudels | 38 | 66 | .365 | 23 |   | 5-5 | L2 | llwwlllwww | 74 |
| Expanded1 |
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| 1939 | New York Mutuals | 37-15 | 31-21 | 68-36 |   | 10-9 | 58-27 | 54-30 | 14-6 |
| 1939 | San Diego Glaziers | 29-23 | 32-20 | 61-43 |   | 6-9 | 55-34 | 50-34 | 11-9 |
| 1939 | Schenectady Blue Sox | 35-17 | 24-28 | 59-45 |   | 10-12 | 49-33 | 48-36 | 11-9 |
| 1939 | New Haven Whiffenpoofs | 33-19 | 23-29 | 56-48 |   | 11-10 | 45-38 | 43-41 | 13-7 |
| 1939 | Louisville Colonels | 26-26 | 18-34 | 44-60 |   | 5-17 | 39-43 | 36-48 | 8-12 |
| 1939 | Frankfort Frogs | 22-30 | 20-32 | 42-62 |   | 6-11 | 36-51 | 33-51 | 9-11 |
| 1939 | West Baden Sprudels | 17-35 | 21-31 | 38-66 |   | 5-14 | 33-52 | 30-54 | 8-12 |
| Expanded2 |
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| 1939 | New York Mutuals | 57-1 | 7-3 | 4-32 | 16-8 | 7-2 |
| 1939 | San Diego Glaziers | 54-7 | 3-7 | 4-29 | 17-15 | 5-2 |
| 1939 | Schenectady Blue Sox | 47-5 | 7-1 | 5-39 | 16-10 | 3-0 |
| 1939 | New Haven Whiffenpoofs | 46-5 | 5-8 | 5-35 | 20-18 | 1-6 |
| 1939 | Louisville Colonels | 34-5 | 5-3 | 5-52 | 12-18 | 4-2 |
| 1939 | Frankfort Frogs | 37-6 | 2-5 | 3-51 | 10-15 | 2-5 |
| 1939 | West Baden Sprudels | 31-4 | 2-2 | 5-60 | 8-19 | 2-4 |