What is the wait at Institut Universitaire en Santé Mentale de Montréal right now?

At 12:45 a.m., the estimated wait for a non-priority case is about 108 minutes and stretcher occupancy is 92%. The estimate applies to people arriving in the waiting room: priority cases are seen first, everyone else waits longer.

What is the best time to go to Institut Universitaire en Santé Mentale de Montréal?

Based on our hourly history, the calmest hours at Institut Universitaire en Santé Mentale de Montréal are 3 p.m., 2 p.m., 4 p.m. (Québec time). An emergency room is open around the clock: in a life-threatening emergency, go now or call 911.

What if it is not urgent?

Call 811 for Info-Santé (option 1) to speak with a nurse, Info-Social (option 2), or the primary care access point (GAP, option 3) if you have no family doctor. Your pharmacist can also handle many common problems. In a life-threatening emergency, call 911.

Institut Universitaire en Santé Mentale de Montréal Emergency Room

Montréal · MontréalPsychiatric emergency room

Also known as: Louis-H. Lafontaine, Hôpital Louis-Hippolyte-Lafontaine, Louis-Hippolyte-Lafontaine, IUSMM, Hôpital de soins psychiatriques de l'Est-de-Montréal.

Directions

Busy92%Stretcher occupancy

Waiting

In the ER

1h 48

Estimated wait

Stretcher > 24 h

Including 1 person on a stretcher for more than 48 hours.

24 h

Current situation

At 12:45 a.m., Institut Universitaire en Santé Mentale de Montréal reports a stretcher occupancy rate of 92% (busy). 0 people are waiting to see a doctor, out of 13 in the emergency room.

History since September 13, 2026 · 171,960 readings.

Best hours to arrive

The calmest hours are 3 p.m., 2 p.m., 4 p.m. (Québec time). The busiest is 7 a.m.. Based on 1330 readings.

12 a.m.65% · 0 waiting on average · 54 readings

Average stretcher occupancy for each hour of the day, Québec time. The calmest hours are green and named in the sentence above the chart.

Average occupancy by hour of the day at Institut Universitaire en Santé Mentale de Montréal
Hour	Average occupancy	Waiting (avg.)	Readings
12 a.m.	65%	0	54
1 a.m.	64%	0	53
2 a.m.	64%	0	54
3 a.m.	64%	0	54
4 a.m.	64%	0	56
5 a.m.	65%	0	54
6 a.m.	65%	0	55
7 a.m.	65%	0	55
8 a.m.	65%	1	55
9 a.m.	64%	1	55
10 a.m.	61%	1	57
11 a.m.	55%	2	56
12 p.m.	51%	2	56
1 p.m.	52%	2	56
2 p.m.	48%	2	56
3 p.m.	47%	2	56
4 p.m.	50%	1	56
5 p.m.	51%	1	56
6 p.m.	53%	1	56
7 p.m.	52%	1	56
8 p.m.	54%	1	56
9 p.m.	59%	1	56
10 p.m.	63%	1	56
11 p.m.	65%	0	56

By day and hour

Tap the grid to read a cell.

0–60 %
60–85 %
85–100 %
100–120 %
120–150 %
150 %+
No data

Average stretcher occupancy for every hour of every weekday, Québec time. The darker the cell, the busier the emergency room; dotted cells have no reading yet.

Average occupancy by day and hour at Institut Universitaire en Santé Mentale de Montréal
Day	Hour	Average occupancy	Readings
Mon	12 a.m.	76%	8
Mon	1 a.m.	76%	8
Mon	2 a.m.	76%	8
Mon	3 a.m.	76%	8
Mon	4 a.m.	76%	8
Mon	5 a.m.	76%	8
Mon	6 a.m.	76%	8
Mon	7 a.m.	76%	8
Mon	8 a.m.	76%	8
Mon	9 a.m.	76%	8
Mon	10 a.m.	69%	8
Mon	11 a.m.	66%	8
Mon	12 p.m.	57%	8
Mon	1 p.m.	60%	8
Mon	2 p.m.	56%	8
Mon	3 p.m.	47%	8
Mon	4 p.m.	50%	8
Mon	5 p.m.	51%	8
Mon	6 p.m.	52%	8
Mon	7 p.m.	49%	8
Mon	8 p.m.	51%	8
Mon	9 p.m.	55%	8
Mon	10 p.m.	59%	8
Mon	11 p.m.	63%	8
Tue	12 a.m.	63%	8
Tue	1 a.m.	63%	8
Tue	2 a.m.	63%	8
Tue	3 a.m.	63%	8
Tue	4 a.m.	63%	8
Tue	5 a.m.	63%	8
Tue	6 a.m.	63%	8
Tue	7 a.m.	63%	8
Tue	8 a.m.	63%	8
Tue	9 a.m.	63%	8
Tue	10 a.m.	53%	8
Tue	11 a.m.	45%	8
Tue	12 p.m.	41%	8
Tue	1 p.m.	42%	8
Tue	2 p.m.	35%	8
Tue	3 p.m.	39%	8
Tue	4 p.m.	42%	8
Tue	5 p.m.	44%	8
Tue	6 p.m.	47%	8
Tue	7 p.m.	52%	8
Tue	8 p.m.	56%	8
Tue	9 p.m.	67%	8
Tue	10 p.m.	72%	8
Tue	11 p.m.	73%	8
Wed	12 a.m.	75%	6
Wed	1 a.m.	75%	6
Wed	2 a.m.	75%	6
Wed	3 a.m.	75%	6
Wed	4 a.m.	73%	8
Wed	5 a.m.	75%	6
Wed	6 a.m.	74%	7
Wed	7 a.m.	74%	7
Wed	8 a.m.	74%	7
Wed	9 a.m.	73%	7
Wed	10 a.m.	70%	9
Wed	11 a.m.	63%	8
Wed	12 p.m.	60%	8
Wed	1 p.m.	65%	8
Wed	2 p.m.	66%	8
Wed	3 p.m.	63%	8
Wed	4 p.m.	62%	8
Wed	5 p.m.	63%	8
Wed	6 p.m.	64%	8
Wed	7 p.m.	56%	8
Wed	8 p.m.	56%	8
Wed	9 p.m.	59%	8
Wed	10 p.m.	65%	8
Wed	11 p.m.	71%	8
Thu	12 a.m.	70%	8
Thu	1 a.m.	70%	8
Thu	2 a.m.	70%	8
Thu	3 a.m.	70%	8
Thu	4 a.m.	70%	8
Thu	5 a.m.	70%	8
Thu	6 a.m.	70%	8
Thu	7 a.m.	70%	8
Thu	8 a.m.	70%	8
Thu	9 a.m.	69%	8
Thu	10 a.m.	66%	8
Thu	11 a.m.	58%	8
Thu	12 p.m.	57%	8
Thu	1 p.m.	57%	8
Thu	2 p.m.	48%	8
Thu	3 p.m.	45%	8
Thu	4 p.m.	54%	8
Thu	5 p.m.	57%	8
Thu	6 p.m.	62%	8
Thu	7 p.m.	53%	8
Thu	8 p.m.	53%	8
Thu	9 p.m.	47%	8
Thu	10 p.m.	52%	8
Thu	11 p.m.	52%	8
Fri	12 a.m.	52%	8
Fri	1 a.m.	46%	7
Fri	2 a.m.	50%	8
Fri	3 a.m.	50%	8
Fri	4 a.m.	50%	8
Fri	5 a.m.	50%	8
Fri	6 a.m.	50%	8
Fri	7 a.m.	50%	8
Fri	8 a.m.	50%	8
Fri	9 a.m.	50%	8
Fri	10 a.m.	48%	8
Fri	11 a.m.	42%	8
Fri	12 p.m.	37%	8
Fri	1 p.m.	38%	8
Fri	2 p.m.	38%	8
Fri	3 p.m.	38%	8
Fri	4 p.m.	35%	8
Fri	5 p.m.	37%	8
Fri	6 p.m.	42%	8
Fri	7 p.m.	42%	8
Fri	8 p.m.	43%	8
Fri	9 p.m.	47%	8
Fri	10 p.m.	52%	8
Fri	11 p.m.	51%	8
Sat	12 a.m.	51%	8
Sat	1 a.m.	51%	8
Sat	2 a.m.	51%	8
Sat	3 a.m.	51%	8
Sat	4 a.m.	51%	8
Sat	5 a.m.	51%	8
Sat	6 a.m.	51%	8
Sat	7 a.m.	51%	8
Sat	8 a.m.	51%	8
Sat	9 a.m.	51%	8
Sat	10 a.m.	50%	8
Sat	11 a.m.	45%	8
Sat	12 p.m.	43%	8
Sat	1 p.m.	42%	8
Sat	2 p.m.	41%	8
Sat	3 p.m.	46%	8
Sat	4 p.m.	47%	8
Sat	5 p.m.	50%	8
Sat	6 p.m.	47%	8
Sat	7 p.m.	52%	8
Sat	8 p.m.	55%	8
Sat	9 p.m.	59%	8
Sat	10 p.m.	65%	8
Sat	11 p.m.	67%	8
Sun	12 a.m.	68%	8
Sun	1 a.m.	68%	8
Sun	2 a.m.	68%	8
Sun	3 a.m.	68%	8
Sun	4 a.m.	68%	8
Sun	5 a.m.	71%	8
Sun	6 a.m.	71%	8
Sun	7 a.m.	71%	8
Sun	8 a.m.	70%	8
Sun	9 a.m.	70%	8
Sun	10 a.m.	68%	8
Sun	11 a.m.	66%	8
Sun	12 p.m.	62%	8
Sun	1 p.m.	57%	8
Sun	2 p.m.	55%	8
Sun	3 p.m.	55%	8
Sun	4 p.m.	58%	8
Sun	5 p.m.	56%	8
Sun	6 p.m.	58%	8
Sun	7 p.m.	59%	8
Sun	8 p.m.	64%	8
Sun	9 p.m.	75%	8
Sun	10 p.m.	75%	8
Sun	11 p.m.	76%	8

Last 7 days

Fri, Nov 13, 12:00 a.m.92% · 11 people present · 0 waiting

Over the last 7 days, occupancy averaged 76%, between 42% and 125%. That is +39% compared with the previous period.

Stretcher occupancy at Institut Universitaire en Santé Mentale de Montréal
Time	Occupancy	Present	Waiting
Fri, Nov 6, 02:00 a.m.	75%	9	0
Fri, Nov 6, 03:00 a.m.	75%	9	0
Fri, Nov 6, 04:00 a.m.	75%	9	0
Fri, Nov 6, 05:00 a.m.	75%	9	0
Fri, Nov 6, 06:00 a.m.	75%	9	0
Fri, Nov 6, 07:00 a.m.	75%	9	0
Fri, Nov 6, 08:00 a.m.	75%	10	1
Fri, Nov 6, 09:00 a.m.	75%	12	2
Fri, Nov 6, 10:00 a.m.	75%	12	3
Fri, Nov 6, 11:00 a.m.	75%	12	1
Fri, Nov 6, 12:00 p.m.	58%	11	1
Fri, Nov 6, 01:00 p.m.	50%	10	2
Fri, Nov 6, 02:00 p.m.	50%	10	2
Fri, Nov 6, 03:00 p.m.	42%	5	0
Fri, Nov 6, 04:00 p.m.	42%	5	0
Fri, Nov 6, 05:00 p.m.	42%	7	1
Fri, Nov 6, 06:00 p.m.	50%	8	0
Fri, Nov 6, 07:00 p.m.	50%	7	0
Fri, Nov 6, 08:00 p.m.	50%	7	0
Fri, Nov 6, 09:00 p.m.	50%	6	0
Fri, Nov 6, 10:00 p.m.	50%	6	0
Fri, Nov 6, 11:00 p.m.	50%	6	0
Sat, Nov 7, 12:00 a.m.	50%	6	0
Sat, Nov 7, 01:00 a.m.	50%	6	0
Sat, Nov 7, 02:00 a.m.	50%	6	0
Sat, Nov 7, 03:00 a.m.	50%	6	0
Sat, Nov 7, 04:00 a.m.	50%	6	0
Sat, Nov 7, 05:00 a.m.	50%	6	0
Sat, Nov 7, 06:00 a.m.	50%	6	0
Sat, Nov 7, 07:00 a.m.	50%	6	0
Sat, Nov 7, 08:00 a.m.	50%	6	0
Sat, Nov 7, 09:00 a.m.	50%	6	0
Sat, Nov 7, 10:00 a.m.	50%	8	0
Sat, Nov 7, 11:00 a.m.	42%	8	2
Sat, Nov 7, 12:00 p.m.	42%	9	2
Sat, Nov 7, 01:00 p.m.	58%	11	3
Sat, Nov 7, 02:00 p.m.	58%	10	3
Sat, Nov 7, 03:00 p.m.	58%	12	1
Sat, Nov 7, 04:00 p.m.	58%	11	2
Sat, Nov 7, 05:00 p.m.	67%	10	1
Sat, Nov 7, 06:00 p.m.	67%	11	3
Sat, Nov 7, 07:00 p.m.	83%	12	0
Sat, Nov 7, 08:00 p.m.	92%	12	1
Sat, Nov 7, 09:00 p.m.	92%	11	0
Sat, Nov 7, 10:00 p.m.	92%	11	0
Sat, Nov 7, 11:00 p.m.	92%	11	0
Sun, Nov 8, 12:00 a.m.	92%	11	0
Sun, Nov 8, 01:00 a.m.	92%	11	0
Sun, Nov 8, 02:00 a.m.	92%	11	0
Sun, Nov 8, 03:00 a.m.	92%	11	0
Sun, Nov 8, 04:00 a.m.	92%	11	0
Sun, Nov 8, 05:00 a.m.	92%	11	0
Sun, Nov 8, 06:00 a.m.	92%	11	0
Sun, Nov 8, 07:00 a.m.	92%	11	0
Sun, Nov 8, 08:00 a.m.	92%	11	0
Sun, Nov 8, 09:00 a.m.	92%	12	0
Sun, Nov 8, 10:00 a.m.	92%	13	1
Sun, Nov 8, 11:00 a.m.	92%	15	1
Sun, Nov 8, 12:00 p.m.	92%	14	0
Sun, Nov 8, 01:00 p.m.	92%	15	2
Sun, Nov 8, 02:00 p.m.	83%	12	1
Sun, Nov 8, 03:00 p.m.	75%	10	0
Sun, Nov 8, 04:00 p.m.	75%	11	1
Sun, Nov 8, 05:00 p.m.	75%	12	2
Sun, Nov 8, 06:00 p.m.	75%	12	1
Sun, Nov 8, 07:00 p.m.	75%	11	0
Sun, Nov 8, 08:00 p.m.	67%	8	0
Sun, Nov 8, 09:00 p.m.	67%	8	0
Sun, Nov 8, 10:00 p.m.	67%	8	0
Sun, Nov 8, 11:00 p.m.	67%	8	0
Mon, Nov 9, 12:00 a.m.	67%	8	0
Mon, Nov 9, 01:00 a.m.	67%	8	0
Mon, Nov 9, 02:00 a.m.	67%	8	0
Mon, Nov 9, 03:00 a.m.	67%	8	0
Mon, Nov 9, 04:00 a.m.	67%	8	0
Mon, Nov 9, 05:00 a.m.	67%	8	0
Mon, Nov 9, 06:00 a.m.	67%	8	0
Mon, Nov 9, 07:00 a.m.	67%	8	0
Mon, Nov 9, 08:00 a.m.	67%	8	0
Mon, Nov 9, 09:00 a.m.	67%	9	1
Mon, Nov 9, 10:00 a.m.	58%	10	2
Mon, Nov 9, 11:00 a.m.	67%	11	1
Mon, Nov 9, 12:00 p.m.	67%	11	2
Mon, Nov 9, 01:00 p.m.	75%	12	2
Mon, Nov 9, 02:00 p.m.	58%	10	2
Mon, Nov 9, 03:00 p.m.	58%	9	1
Mon, Nov 9, 04:00 p.m.	58%	9	0
Mon, Nov 9, 05:00 p.m.	67%	9	0
Mon, Nov 9, 06:00 p.m.	67%	10	0
Mon, Nov 9, 07:00 p.m.	67%	10	0
Mon, Nov 9, 08:00 p.m.	58%	9	0
Mon, Nov 9, 09:00 p.m.	58%	9	0
Mon, Nov 9, 10:00 p.m.	75%	9	0
Mon, Nov 9, 11:00 p.m.	75%	9	0
Tue, Nov 10, 12:00 a.m.	75%	9	0
Tue, Nov 10, 01:00 a.m.	75%	9	0
Tue, Nov 10, 02:00 a.m.	75%	9	0
Tue, Nov 10, 03:00 a.m.	75%	9	0
Tue, Nov 10, 04:00 a.m.	75%	9	0
Tue, Nov 10, 05:00 a.m.	75%	9	0
Tue, Nov 10, 06:00 a.m.	75%	9	0
Tue, Nov 10, 07:00 a.m.	75%	9	0
Tue, Nov 10, 08:00 a.m.	75%	9	0
Tue, Nov 10, 09:00 a.m.	75%	9	0
Tue, Nov 10, 10:00 a.m.	58%	10	1
Tue, Nov 10, 11:00 a.m.	50%	12	3
Tue, Nov 10, 12:00 p.m.	58%	17	5
Tue, Nov 10, 01:00 p.m.	58%	16	4
Tue, Nov 10, 02:00 p.m.	42%	17	7
Tue, Nov 10, 03:00 p.m.	67%	17	5
Tue, Nov 10, 04:00 p.m.	83%	17	3
Tue, Nov 10, 05:00 p.m.	67%	14	1
Tue, Nov 10, 06:00 p.m.	67%	13	2
Tue, Nov 10, 07:00 p.m.	75%	15	2
Tue, Nov 10, 08:00 p.m.	75%	16	5
Tue, Nov 10, 09:00 p.m.	92%	15	2
Tue, Nov 10, 10:00 p.m.	100%	13	2
Tue, Nov 10, 11:00 p.m.	100%	12	1
Wed, Nov 11, 12:00 a.m.	100%	12	1
Wed, Nov 11, 01:00 a.m.	100%	12	1
Wed, Nov 11, 02:00 a.m.	100%	12	1
Wed, Nov 11, 03:00 a.m.	100%	12	1
Wed, Nov 11, 04:00 a.m.	100%	12	1
Wed, Nov 11, 05:00 a.m.	100%	12	1
Wed, Nov 11, 06:00 a.m.	100%	12	1
Wed, Nov 11, 07:00 a.m.	100%	12	1
Wed, Nov 11, 08:00 a.m.	100%	12	1
Wed, Nov 11, 09:00 a.m.	100%	13	1
Wed, Nov 11, 10:00 a.m.	100%	14	2
Wed, Nov 11, 11:00 a.m.	100%	16	4
Wed, Nov 11, 12:00 p.m.	100%	18	4
Wed, Nov 11, 01:00 p.m.	108%	18	3
Wed, Nov 11, 02:00 p.m.	125%	18	3
Wed, Nov 11, 03:00 p.m.	108%	15	1
Wed, Nov 11, 04:00 p.m.	100%	13	1
Wed, Nov 11, 05:00 p.m.	100%	15	0
Wed, Nov 11, 06:00 p.m.	92%	13	1
Wed, Nov 11, 07:00 p.m.	83%	12	1
Wed, Nov 11, 08:00 p.m.	67%	11	0
Wed, Nov 11, 09:00 p.m.	75%	11	1
Wed, Nov 11, 10:00 p.m.	83%	11	0
Wed, Nov 11, 11:00 p.m.	83%	10	0
Thu, Nov 12, 12:00 a.m.	83%	10	0
Thu, Nov 12, 01:00 a.m.	83%	10	0
Thu, Nov 12, 02:00 a.m.	83%	10	0
Thu, Nov 12, 03:00 a.m.	83%	10	0
Thu, Nov 12, 04:00 a.m.	83%	10	0
Thu, Nov 12, 05:00 a.m.	83%	10	0
Thu, Nov 12, 06:00 a.m.	83%	10	0
Thu, Nov 12, 07:00 a.m.	83%	10	0
Thu, Nov 12, 08:00 a.m.	83%	10	0
Thu, Nov 12, 09:00 a.m.	83%	10	0
Thu, Nov 12, 10:00 a.m.	83%	12	1
Thu, Nov 12, 11:00 a.m.	75%	11	3
Thu, Nov 12, 12:00 p.m.	75%	13	4
Thu, Nov 12, 01:00 p.m.	75%	15	4
Thu, Nov 12, 02:00 p.m.	83%	15	4
Thu, Nov 12, 03:00 p.m.	58%	13	2
Thu, Nov 12, 04:00 p.m.	100%	15	2
Thu, Nov 12, 05:00 p.m.	108%	16	1
Thu, Nov 12, 06:00 p.m.	108%	18	1
Thu, Nov 12, 07:00 p.m.	92%	18	2
Thu, Nov 12, 08:00 p.m.	92%	15	1
Thu, Nov 12, 09:00 p.m.	92%	13	0
Thu, Nov 12, 10:00 p.m.	100%	13	0
Thu, Nov 12, 11:00 p.m.	100%	13	0
Fri, Nov 13, 12:00 a.m.	92%	11	0

Compared with the region

Montréal

This emergency room92%
Regional average (Montréal)142%
Québec average113%

Institut Universitaire en Santé Mentale de Montréal is 50 points below its region's average. The Québec average is 113%.

Institut Universitaire en Santé Mentale de Montréal, its region and Québec
Comparison	Occupancy
This emergency room	92%
Regional average (Montréal)	142%
Québec average	113%

History and seasons

The MSSS publishes these figures by fiscal period of about four weeks, one period at a time.

In period 5 of 2026-2027: 2,194 visits and an average length of stay of 15.0 h. The same period in 2025-2026 counted 2,256 visits (−3%).

2026-2027 · P73,023 visits

2021-2022
2022-2023
2023-2024
2024-2025
2025-2026
2026-2027

In period 5 of 2026-2027: 2,194 visits and an average length of stay of 15.0 h. The same period in 2025-2026 counted 2,256 visits (−3%).

Fiscal periods at Institut Universitaire en Santé Mentale de Montréal
Fiscal year	Period	Visits
2022-2023	P5	1,708
2023-2024	P5	1,896
2024-2025	P5	2,060
2025-2026	P5	2,256
2026-2027	P5	2,194
2021-2022	P7	2,451
2022-2023	P7	2,462
2023-2024	P7	2,701
2024-2025	P7	2,815
2025-2026	P7	3,038
2026-2027	P7	3,023

Frequently asked questions

What is the wait at Institut Universitaire en Santé Mentale de Montréal right now?: At 12:45 a.m., the estimated wait for a non-priority case is about 108 minutes and stretcher occupancy is 92%. The estimate applies to people arriving in the waiting room: priority cases are seen first, everyone else waits longer.
What is the best time to go to Institut Universitaire en Santé Mentale de Montréal?: Based on our hourly history, the calmest hours at Institut Universitaire en Santé Mentale de Montréal are 3 p.m., 2 p.m., 4 p.m. (Québec time). An emergency room is open around the clock: in a life-threatening emergency, go now or call 911.
What if it is not urgent?: Call 811 for Info-Santé (option 1) to speak with a nurse, Info-Social (option 2), or the primary care access point (GAP, option 3) if you have no family doctor. Your pharmacist can also handle many common problems. In a life-threatening emergency, call 911.

Sources: ministère de la Santé et des Services sociaux (hourly emergency-room reading) and Québec.ca for the estimated wait. These figures describe how busy an ER is, not the quality of care, and are not medical advice. In a life-threatening emergency, call 911.