Record: 42-49, .462 W-L% (8th of 11) (Schedule and Results)
SRS: -2.58 (7th of 11) ▪ SOS: -1.47 (7th of 11)
Conference Champion: Tulane
Ranked in Preseason AP Poll: 1 (Southern Mississippi)
Ranked in Final AP Poll: 1 (Tulane)
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
|---|---|---|---|---|---|---|---|---|
| 1 | Sep 5, 1998 | Sat | Tulane | 52 | @ | Cincinnati | 34 | |
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 2 | Sep 19, 1998 | Sat | Army | 37 | Cincinnati | 20 | ||
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 3 | Oct 3, 1998 | Sat | East Carolina | 30 | Army | 25 | ||
| 4 | Oct 3, 1998 | Sat | Houston | 35 | Memphis | 14 | ||
| 5 | Oct 3, 1998 | Sat | Louisville | 62 | Cincinnati | 19 | ||
| 6 | Oct 3, 1998 | Sat | Tulane | 21 | Southern Mississippi | 7 | ||
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 7 | Oct 10, 1998 | Sat | Army | 38 | @ | Houston | 28 | |
| 8 | Oct 10, 1998 | Sat | Southern Mississippi | 56 | Louisville | 21 | ||
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 9 | Oct 17, 1998 | Sat | Memphis | 41 | Cincinnati | 23 | ||
| 10 | Oct 17, 1998 | Sat | Southern Mississippi | 37 | @ | Army | 13 | |
| 11 | Oct 17, 1998 | Sat | (24) Tulane | 28 | Louisville | 22 | ||
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 12 | Oct 24, 1998 | Sat | Louisville | 35 | Memphis | 32 | ||
| 13 | Oct 24, 1998 | Sat | Southern Mississippi | 41 | East Carolina | 7 | ||
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 14 | Oct 31, 1998 | Sat | Houston | 34 | @ | East Carolina | 31 | |
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 15 | Nov 5, 1998 | Thu | East Carolina | 24 | @ | Cincinnati | 21 | |
| 16 | Nov 7, 1998 | Sat | Southern Mississippi | 21 | @ | Houston | 15 | |
| 17 | Nov 7, 1998 | Sat | (15) Tulane | 41 | @ | Memphis | 31 | |
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 18 | Nov 14, 1998 | Sat | Cincinnati | 44 | Houston | 43 | ||
| 19 | Nov 14, 1998 | Sat | Louisville | 63 | @ | East Carolina | 45 | |
| 20 | Nov 14, 1998 | Sat | Southern Mississippi | 45 | Memphis | 3 | ||
| 21 | Nov 14, 1998 | Sat | (14) Tulane | 49 | @ | Army | 35 | |
| Rk | Date | Day | Winner/Tie | Pts | Loser/Tie | Pts | Notes | |
| 22 | Nov 21, 1998 | Sat | East Carolina | 34 | @ | Memphis | 31 | |
| 23 | Nov 21, 1998 | Sat | Louisville | 35 | Army | 23 | ||
| 24 | Nov 21, 1998 | Sat | (12) Tulane | 48 | Houston | 20 |