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System Performance

Data Attribution Note

Health Quality Ontario is now part of Ontario Health. Please attribute any emergency department data below to Ontario Health.

Time Spent in Emergency Departments


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This is how long patients spent in emergency departments in Ontario hospitals at various stages and depending on their condition.

Provincial × Surgery

Learn about target times.

March 2024
Wait Time to First Assessment by a Doctor in Emergency for All Patients:

On average, patients waited

1.9Hours

Length of Stay in Emergency for Low-Urgency Patients Not Admitted to Hospital:

On average, patients spent

3.1Hours

75% of patients finished their emergency visit within target time of 4 hours
Length of Stay in Emergency for High-Urgency Patients Not Admitted to Hospital:

On average, patients spent

4.5Hours

89% of patients finished their emergency visit within target time of 8 hours
Length of Stay in Emergency for All Patients Admitted to Hospital:

On average, patients spent

19.1Hours

28% of patients admitted to hospital from emergency within target time of 8 hours

SEARCH RESULTS:

Provincial × Surgery

Compare results across hospitals for the indicator selected:


Hospital name Average (Hours)
Ontario 1.9
South Bruce Grey Health Centre - Durham 0.5
Southlake Regional Health Centre 0.7
Huron Perth Healthcare Alliance - Clinton 0.8
South Bruce Grey Health Centre - Walkerton 0.8
Mackenzie Health - Richmond Hill 0.8
William Osler Health System - Etobicoke General 0.9
Grey Bruce Health Services - Lions Head 0.9
Niagara Health System - Port Colborne Site 1
Sensenbrenner Hospital 1
Niagara Health System - Fort Erie Douglas 1
Trillium Health Partners - Queensway Health Centre 1
Scarborough Health Network - Birchmount 1.1
Unity Health Toronto - St. Joseph's 1.1
Mackenzie Health - Vaughan Site 1.1
Huron Perth Healthcare Alliance - Seaforth 1.1
South Bruce Grey Health Centre - Chesley 1.1
Quinte Healthcare Corporation - Picton 1.1
William Osler Health System - Peel Memorial Center 1.1
St. Joseph's Health Care System Hamilton - Charlton Campus 1.2
Grey Bruce Health Services - Meaford Site 1.2
Scarborough Health Network - Centenary 1.2
Collingwood General And Marine Hospital 1.2
Oak Valley Health - Markham Stouffville Hospital 1.2
St. Joseph's Health Care London - St. Joseph's Hospital 1.2
Mackenzie Health - Cortellucci Vaughan Hospital 1.2
Kingston Health Sciences Centre - Hotel Dieu 1.3
Grey Bruce Health Services - Wiarton Site 1.3
Hanover And District Hospital 1.3
Dryden Regional Health Centre 1.3
South Bruce Grey Health Centre - Kincardine 1.4
Joseph Brant Hospital 1.4
Notre Dame Hospital 1.4
North York General Hospital - General Site 1.4
William Osler Health System - Brampton Civic 1.4
Trillium Health Partners - Mississauga Hospital 1.4
Sinai Health System - Mount Sinai Hospital 1.5
St. Thomas-Elgin General Hospital 1.5
Huron Perth Healthcare Alliance - St. Marys 1.5
Grey Bruce Health Services - Markdale Site 1.5
Halton Healthcare Services Corp - Milton 1.5
Thunder Bay Regional Health Sciences Centre 1.5
Quinte Healthcare Corporation - North Hastings 1.6
Grey Bruce Health Services - Southampton 1.6
West Nipissing General Hospital 1.6
Renfrew Victoria Hospital 1.6
Lake Of The Woods District Hospital 1.6
Muskoka Algonquin Healthcare - Huntsville District Memorial Hospital 1.6
University Health Network - Toronto Western Hospital 1.7
Scarborough Health Network - Scarborough General Site 1.7
Woodstock General Hospital 1.7
Erie Shores Healthcare 1.7
Toronto East Health Network - Michael Garron Hospital 1.7
Georgian Bay General Hospital - Midland Site 1.7
Perth And Smiths Falls District Hospital - Perth Site 1.7
Unity Health Toronto - St. Michael's 1.8
Timmins And District General Hospital 1.8
Strathroy Middlesex General Hospital 1.8
Chatham-Kent Health Alliance - Wallaceburg 1.8
Temiskaming Hospital 1.8
Royal Victoria Regional Health Centre 1.9
Campbellford Memorial Hospital 1.9
Huron Perth Healthcare Alliance - Stratford 1.9
Lakeridge Health - Oshawa Site 1.9
Lakeridge Health - Port Perry 1.9
Perth And Smiths Falls District Hospital - Smiths Falls Site 1.9
Oak Valley Health - Uxbridge Hospital 1.9
Muskoka Algonquin Healthcare - Bracebridge 1.9
Niagara Health System - Greater Niagara 2
Quinte Healthcare Corporation - Trenton 2
Orillia Soldiers' Memorial Hospital 2
Lakeridge Health-Ajax Site 2
Norfolk General Hospital 2
Ross Memorial Hospital 2
West Parry Sound Health Centre 2
Glengarry Memorial Hospital 2
Hamilton Health Sciences Corp - McMaster Children's Hospital 2
Hamilton Health Sciences Corp - West Lincoln Memorial Hospital 2
Guelph General Hospital 2.1
Health Sciences North - Ramsey Lake Health Centre 2.1
Headwaters Health Care Centre - Orangeville Site 2.1
Lakeridge Health - Bowmanville 2.1
St. Mary's General Hospital 2.1
Halton Healthcare Services Corp - Georgetown 2.1
Sault Area Hospital - Sault Ste Marie 2.2
University Health Network - Toronto General Hospital 2.2
Trillium Health Partners - Credit Valley Hospital 2.2
Humber River Health - Wilson Site 2.2
Niagara Health System - Welland County 2.3
Groves Memorial Community Hospital 2.3
Hopital Montfort 2.3
Brockville General Hospital - Charles ST Site 2.4
London Health Sciences Centre - Victoria Hospital 2.4
Cornwall Community Hospital - Mcconnell Avenue Site 2.4
North Bay Regional Health Centre - North Bay Site 2.4
Pembroke Regional Hospital 2.5
Halton Healthcare Services Corporation - Oakville-Trafalgar Memorial Hospital 2.5
Grey Bruce Health Services - Owen Sound 2.6
Chatham-Kent Health Alliance - Chatham 2.6
Stevenson Memorial Hospital 2.6
The Hospital For Sick Children 2.7
Lennox And Addington County General Hospital 2.7
Kingston Health Sciences Centre - Kingston General 2.7
Hamilton Health Sciences Corp - Hamilton General Hospital 2.7
Brant Community Healthcare System - Brantford General Hospital 2.7
Niagara Health System - St Catharines General 2.8
Northumberland Hills Hospital 2.8
Cambridge Memorial Hospital 2.9
Grand River Hospital Corp - Waterloo Site 2.9
The Ottawa Hospital - Civic Campus 3
Hamilton Health Sciences Corp - Juravinski Hospital 3
Peterborough Regional Health Centre 3.1
The Ottawa Hospital - General Campus 3.2
London Health Sciences Centre - University Hospital 3.2
Quinte Healthcare Corporation - Belleville 3.3
Hawkesbury And District General Hospital 3.5
Queensway Carleton Hospital 3.7
Children's Hospital Of Eastern Ontario 3.7
Sunnybrook Health Sciences Centre 3.7


Average time all patients waited for first assessment by a doctor in emergency, in Ontario, 202303 to 202403
2023032023042023052023062023072023082023092023102023112023122024012024022024030123451.91.91.91.92.02.02.02.02.12.12.02.02.12.12.12.12.12.12.12.12.02.02.02.01.91.9MonthHours
Ontario
202303 1.9
202304 1.9
202305 2.0
202306 2.0
202307 2.1
202308 2.0
202309 2.1
202310 2.1
202311 2.1
202312 2.1
202401 2.0
202402 2.0
202403 1.9

TECHNICAL INFORMATION

Data source: National Ambulatory Care Reporting System (NACRS), Canadian Institute for Health Information (CIHI) provided by Cancer Care Ontario (CCO). For more information, please visit the Indicator Library for the technical description of Wait Time to First Assessment in Emergency indicator (average time and volume) and Length of Stay in Emergency indicators (average time, volume, and percentage within target).

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