| No. |
R |
Date |
Score |
Opponent |
Record |
| 1 |
T |
October 6, 1988 |
4–4 OT |
@ Calgary Flames (1988–89) |
0–0–1 |
| 2 |
L |
October 7, 1988 |
1–5 |
@ Edmonton Oilers (1988–89) |
0–1–1 |
| 3 |
L |
October 9, 1988 |
5–6 OT |
@ Los Angeles Kings (1988–89) |
0–2–1 |
| 4 |
W |
October 10, 1988 |
3–2 |
@ Vancouver Canucks (1988–89) |
1–2–1 |
| 5 |
W |
October 15, 1988 |
2–1 |
Montreal Canadiens (1988–89) |
2–2–1 |
| 6 |
W |
October 18, 1988 |
3–2 |
Vancouver Canucks (1988–89) |
3–2–1 |
| 7 |
W |
October 22, 1988 |
7–3 |
Quebec Nordiques (1988–89) |
4–2–1 |
| 8 |
L |
October 25, 1988 |
3–4 |
Toronto Maple Leafs (1988–89) |
4–3–1 |
| 9 |
L |
October 27, 1988 |
2–5 |
@ Philadelphia Flyers (1988–89) |
4–4–1 |
| 10 |
L |
October 29, 1988 |
2–3 OT |
@ Quebec Nordiques (1988–89) |
4–5–1 |
| 11 |
L |
November 1, 1988 |
1–8 |
Winnipeg Jets (1988–89) |
4–6–1 |
| 12 |
L |
November 4, 1988 |
2–4 |
@ Washington Capitals (1988–89) |
4–7–1 |
| 13 |
W |
November 5, 1988 |
4–3 OT |
Washington Capitals (1988–89) |
5–7–1 |
| 14 |
W |
November 8, 1988 |
4–3 |
New York Rangers (1988–89) |
6–7–1 |
| 15 |
T |
November 11, 1988 |
3–3 OT |
@ New Jersey Devils (1988–89) |
6–7–2 |
| 16 |
L |
November 12, 1988 |
0–3 |
Buffalo Sabres (1988–89) |
6–8–2 |
| 17 |
L |
November 15, 1988 |
1–5 |
Calgary Flames (1988–89) |
6–9–2 |
| 18 |
L |
November 16, 1988 |
4–5 OT |
@ Montreal Canadiens (1988–89) |
6–10–2 |
| 19 |
W |
November 19, 1988 |
6–3 |
Pittsburgh Penguins (1988–89) |
7–10–2 |
| 20 |
L |
November 22, 1988 |
2–4 |
Washington Capitals (1988–89) |
7–11–2 |
| 21 |
L |
November 23, 1988 |
6–7 |
@ Washington Capitals (1988–89) |
7–12–2 |
| 22 |
L |
November 26, 1988 |
4–6 |
New York Rangers (1988–89) |
7–13–2 |
| 23 |
L |
November 27, 1988 |
3–5 |
@ New York Rangers (1988–89) |
7–14–2 |
| 24 |
L |
November 29, 1988 |
3–5 |
@ Detroit Red Wings (1988–89) |
7–15–2 |
| 25 |
L |
December 1, 1988 |
0–8 |
@ St. Louis Blues (1988–89) |
7–16–2 |
| 26 |
L |
December 3, 1988 |
2–4 |
@ Pittsburgh Penguins (1988–89) |
7–17–2 |
| 27 |
L |
December 6, 1988 |
3–4 |
Boston Bruins (1988–89) |
7–18–2 |
| 28 |
L |
December 9, 1988 |
5–6 |
@ New Jersey Devils (1988–89) |
7–19–2 |
| 29 |
L |
December 10, 1988 |
3–4 |
Los Angeles Kings (1988–89) |
7–20–2 |
| 30 |
L |
December 14, 1988 |
1–2 |
@ New York Rangers (1988–89) |
7–21–2 |
| 31 |
L |
December 15, 1988 |
2–8 |
Pittsburgh Penguins (1988–89) |
7–22–2 |
| 32 |
W |
December 17, 1988 |
5–2 |
New Jersey Devils (1988–89) |
8–22–2 |
| 33 |
L |
December 20, 1988 |
3–5 |
@ Pittsburgh Penguins (1988–89) |
8–23–2 |
| 34 |
L |
December 22, 1988 |
2–4 |
Philadelphia Flyers (1988–89) |
8–24–2 |
| 35 |
W |
December 26, 1988 |
4–3 |
@ Toronto Maple Leafs (1988–89) |
9–24–2 |
| 36 |
W |
December 31, 1988 |
6–4 |
Washington Capitals (1988–89) |
10–24–2 |
| 37 |
L |
January 3, 1989 |
1–4 |
Philadelphia Flyers (1988–89) |
10–25–2 |
| 38 |
W |
January 5, 1989 |
5–3 |
@ Boston Bruins (1988–89) |
11–25–2 |
| 39 |
L |
January 7, 1989 |
1–5 |
New York Rangers (1988–89) |
11–26–2 |
| 40 |
L |
January 8, 1989 |
2–3 |
@ Chicago Blackhawks (1988–89) |
11–27–2 |
| 41 |
L |
January 10, 1989 |
3–5 |
@ Pittsburgh Penguins (1988–89) |
11–28–2 |
| 42 |
W |
January 13, 1989 |
5–3 |
@ New Jersey Devils (1988–89) |
12–28–2 |
| 43 |
L |
January 14, 1989 |
3–5 |
Chicago Blackhawks (1988–89) |
12–29–2 |
| 44 |
W |
January 17, 1989 |
5–2 |
Pittsburgh Penguins (1988–89) |
13–29–2 |
| 45 |
W |
January 19, 1989 |
4–2 |
Los Angeles Kings (1988–89) |
14–29–2 |
| 46 |
W |
January 21, 1989 |
8–6 |
Minnesota North Stars (1988–89) |
15–29–2 |
| 47 |
T |
January 24, 1989 |
2–2 OT |
New Jersey Devils (1988–89) |
15–29–3 |
| 48 |
W |
January 26, 1989 |
8–6 |
Winnipeg Jets (1988–89) |
16–29–3 |
| 49 |
L |
January 28, 1989 |
4–7 |
@ Philadelphia Flyers (1988–89) |
16–30–3 |
| 50 |
L |
January 30, 1989 |
3–7 |
@ New York Rangers (1988–89) |
16–31–3 |
| 51 |
L |
February 2, 1989 |
1–4 |
Toronto Maple Leafs (1988–89) |
16–32–3 |
| 52 |
W |
February 4, 1989 |
5–3 |
Hartford Whalers (1988–89) |
17–32–3 |
| 53 |
W |
February 5, 1989 |
3–2 |
@ Quebec Nordiques (1988–89) |
18–32–3 |
| 54 |
L |
February 10, 1989 |
1–3 |
@ Chicago Blackhawks (1988–89) |
18–33–3 |
| 55 |
L |
February 11, 1989 |
0–5 |
@ St. Louis Blues (1988–89) |
18–34–3 |
| 56 |
W |
February 14, 1989 |
5–3 |
Edmonton Oilers (1988–89) |
19–34–3 |
| 57 |
W |
February 16, 1989 |
7–3 |
St. Louis Blues (1988–89) |
20–34–3 |
| 58 |
W |
February 18, 1989 |
3–2 |
Philadelphia Flyers (1988–89) |
21–34–3 |
| 59 |
L |
February 19, 1989 |
4–5 |
@ Philadelphia Flyers (1988–89) |
21–35–3 |
| 60 |
L |
February 21, 1989 |
5–6 |
Detroit Red Wings (1988–89) |
21–36–3 |
| 61 |
L |
February 22, 1989 |
5–7 |
@ Buffalo Sabres (1988–89) |
21–37–3 |
| 62 |
T |
February 25, 1989 |
5–5 OT |
Pittsburgh Penguins (1988–89) |
21–37–4 |
| 63 |
L |
February 28, 1989 |
1–3 |
Hartford Whalers (1988–89) |
21–38–4 |
| 64 |
L |
March 1, 1989 |
5–6 |
@ Detroit Red Wings (1988–89) |
21–39–4 |
| 65 |
L |
March 4, 1989 |
3–4 |
@ Minnesota North Stars (1988–89) |
21–40–4 |
| 66 |
W |
March 5, 1989 |
4–3 |
@ Winnipeg Jets (1988–89) |
22–40–4 |
| 67 |
L |
March 7, 1989 |
1–2 |
Boston Bruins (1988–89) |
22–41–4 |
| 68 |
T |
March 9, 1989 |
4–4 OT |
Philadelphia Flyers (1988–89) |
22–41–5 |
| 69 |
W |
March 11, 1989 |
3–2 OT |
New Jersey Devils (1988–89) |
23–41–5 |
| 70 |
W |
March 13, 1989 |
5–3 |
@ Montreal Canadiens (1988–89) |
24–41–5 |
| 71 |
L |
March 14, 1989 |
2–8 |
@ Hartford Whalers (1988–89) |
24–42–5 |
| 72 |
L |
March 18, 1989 |
1–2 |
@ Vancouver Canucks (1988–89) |
24–43–5 |
| 73 |
L |
March 19, 1989 |
2–3 |
@ Edmonton Oilers (1988–89) |
24–44–5 |
| 74 |
L |
March 21, 1989 |
1–4 |
@ Calgary Flames (1988–89) |
24–45–5 |
| 75 |
W |
March 23, 1989 |
3–1 |
Minnesota North Stars (1988–89) |
25–45–5 |
| 76 |
L |
March 26, 1989 |
2–3 |
@ Washington Capitals (1988–89) |
25–46–5 |
| 77 |
W |
March 28, 1989 |
5–4 |
Washington Capitals (1988–89) |
26–46–5 |
| 78 |
W |
March 29, 1989 |
5–4 OT |
@ New Jersey Devils (1988–89) |
27–46–5 |
| 79 |
L |
April 1, 1989 |
3–4 |
Buffalo Sabres (1988–89) |
27–47–5 |
| 80 |
W |
April 2, 1989 |
6–4 |
@ New York Rangers (1988–89) |
28–47–5 |
In 1988–89, the Islanders failed to qualify for the Stanley Cup Playoffs for the first time since the 1973–74 season. This broke a streak of 14 consecutive playoff appearances for the team, which included four straight Stanley Cup championships from 1980 to 1983.