Previous measure: 31% of arrivals were within five minutes of the timetable (989 arrivals over 18 days). The report card below uses the newer one-minute-early to five-minutes-late measure when it has readings.
Route 21: Canotek ⇄ Blair
Where lateness is made ·
Not measured yet: too few weekdays with bus positions on this stretch.
The line right now ·
Not measured yet: the live line needs bus positions, and none are in right now.
Right now on Route 21
0 busesOpen on the map
0 noticesfrom OC Transpo
Planned change · 2026-10-30service change
Dated service
Trips scheduled that day
The timetable, notices and what the live feed says are shown apart. Seeing a bus on the map does not prove you can board it.
November 3, 2026 · 5 trips in the retained timetable · retained notices; capture coverage unverified
In short: 5 with a matched position · 0 with no matching position (to investigate) · 0 with an unknown outcome.
- 07:10– 07:16Trip 25076030Vehicle position matchedFirst / last feed position: 6:29 a.m. EST / 7:27 a.m. EST; not actual start or end times.
- 08:12– 08:18Trip 12602030Vehicle position matchedFirst / last feed position: 8:15 a.m. EST / 8:27 a.m. EST; not actual start or end times.
- 08:40– 08:47Trip 7028030Vehicle position matchedFirst / last feed position: 8:02 a.m. EST / 9:00 a.m. EST; not actual start or end times.
- 16:05– 16:13Trip 2190030Vehicle position matchedFirst / last feed position: 3:38 p.m. EST / 4:06 p.m. EST; not actual start or end times.
- 17:06– 17:14Trip 34131030Vehicle position matchedFirst / last feed position: 4:37 p.m. EST / 5:16 p.m. EST; not actual start or end times.
More on Route 21
0 busesOpen on the map
Planned change · 2026-10-30service change
Would you count on route 21?
No sign-in needed. A vote from a device that is not signed in counts a little less than one from an account, and a person who rates many routes counts a little less on each, so no one voice outweighs the rest.
Cancellations on this route
How cancellations are counted2 partial-capture days not counted.
11 scheduled trip with a counted cancellation notice, Wed, Oct 7 to Tue, Nov 3.
Not counted: 0 trips with qualifying later matching vehicle observations and 0 for trips not in that day’s timetable.
Hours with the most cancellations: 7 a.m. (1)
Latest cancelled trips
- Tue, Oct 27, Trip at 07:10
OC Transpo gives no reason for single trips, so none is shown.
Did not come (no bus seen, no notice), last 7 days: none among the trips we could check.
City road work near this route
All road work on AlertsRoad work and event closures the City of Ottawa has published, measured as near this route’s path. Near is not proof that the bus is detoured: check the operator’s alerts for that.
The City’s road work list could not be read just now. Nothing is assumed.
Source: City of Ottawa open data. City road work map
More on Route 21
- Other daysOctober 2026Days →
- Today’s timelineArchived bus positions in ReplayReplay →
- Road work on this routeStops moved and time added by road workWorks →
- Service change scorecardHow a service change didScorecard →
- Crowding and service deliverySTO crowding, rail, trips deliveredCrowding →
- Where the numbers come fromOC Transpo timetable and live bus positionsSources →
- Page not loading?The timetable still opensTry again
- Full report card
- Tell your councillor
- Fix this routePropose a change to this route in Design the networkFix this →
- Change this routeDraw a different route or timetable in Design the networkChange this route →
Explore the route
Choose a destination, then select a stop on the map or route diagram.
0 verified representative shapes · 16 stops
Dashed lines connect the published stop order; they are not claimed street paths
Map source and limits
A solid line matches one published representative trip whose stops and order were checked. Another trip with the same stops may follow a different shape. Dashed lines connect published stops only; they do not describe streets.
This view does not show live vehicle positions.
All published paths
Where does it go?
Different journeys can take different branches. Choose a published path above to see its stops in order.
You can also select any stop on the map to open its departure board.
Published stop order does not prove that a vehicle is running now.
Schedule and source records
BLAIR D to CANOTEK / RAINBOW · 13 stops
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday, Tuesday, Wednesday, Thursday, Friday
10 official service records
1 added date and 22 removed dates
Review the official service records
Service 10
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Removed dates: Oct 30, 2026
Service 11
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Service 12
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Service 13
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Added dates: Oct 30, 2026
Removed dates: Nov 6, 2026, Nov 13, 2026, Nov 20, 2026, Nov 27, 2026
Service 3
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Service 4
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Removed dates: Nov 3, 2026, Nov 10, 2026, Nov 17, 2026, Nov 24, 2026
Service 6
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Removed dates: Nov 2, 2026, Nov 9, 2026, Nov 16, 2026, Nov 23, 2026, Nov 30, 2026
Service 7
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Service 8
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Removed dates: Nov 5, 2026, Nov 12, 2026, Nov 19, 2026, Nov 26, 2026
Service 9
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Removed dates: Nov 4, 2026, Nov 11, 2026, Nov 18, 2026, Nov 25, 2026
Service records for this stop pattern
Service 10
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Removed dates: Oct 30, 2026
Service 11
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Service 12
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Service 13
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Added dates: Oct 30, 2026
Removed dates: Nov 6, 2026, Nov 13, 2026, Nov 20, 2026, Nov 27, 2026
Service 3
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Service 4
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Removed dates: Nov 3, 2026, Nov 10, 2026, Nov 17, 2026, Nov 24, 2026
Service 6
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Removed dates: Nov 2, 2026, Nov 9, 2026, Nov 16, 2026, Nov 23, 2026, Nov 30, 2026
Service 7
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Service 8
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Removed dates: Nov 5, 2026, Nov 12, 2026, Nov 19, 2026, Nov 26, 2026
Service 9
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Removed dates: Nov 4, 2026, Nov 11, 2026, Nov 18, 2026, Nov 25, 2026
CANOTEK / AD. 5350 to BLAIR C · 11 stops
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday, Tuesday, Wednesday, Thursday, Friday
10 official service records
1 added date and 22 removed dates
Review the official service records
Service 10
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Removed dates: Oct 30, 2026
Service 11
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Service 12
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Service 13
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Added dates: Oct 30, 2026
Removed dates: Nov 6, 2026, Nov 13, 2026, Nov 20, 2026, Nov 27, 2026
Service 3
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Service 4
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Removed dates: Nov 3, 2026, Nov 10, 2026, Nov 17, 2026, Nov 24, 2026
Service 6
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Removed dates: Nov 2, 2026, Nov 9, 2026, Nov 16, 2026, Nov 23, 2026, Nov 30, 2026
Service 7
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Service 8
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Removed dates: Nov 5, 2026, Nov 12, 2026, Nov 19, 2026, Nov 26, 2026
Service 9
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Removed dates: Nov 4, 2026, Nov 11, 2026, Nov 18, 2026, Nov 25, 2026
Service records for this stop pattern
Service 10
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Removed dates: Oct 30, 2026
Service 11
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Service 12
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Service 13
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Friday
Added dates: Oct 30, 2026
Removed dates: Nov 6, 2026, Nov 13, 2026, Nov 20, 2026, Nov 27, 2026
Service 3
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Service 4
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Removed dates: Nov 3, 2026, Nov 10, 2026, Nov 17, 2026, Nov 24, 2026
Service 6
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Monday
Removed dates: Nov 2, 2026, Nov 9, 2026, Nov 16, 2026, Nov 23, 2026, Nov 30, 2026
Service 7
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Tuesday
Service 8
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Thursday
Removed dates: Nov 5, 2026, Nov 12, 2026, Nov 19, 2026, Nov 26, 2026
Service 9
21
Scheduled from Oct 30, 2026 to Nov 30, 2026
Published weekly days: Wednesday
Removed dates: Nov 4, 2026, Nov 11, 2026, Nov 18, 2026, Nov 25, 2026
Official feed version 6ee8491d-8f94-4122-a67b-ef228d9e0945
Source checksum 91dd8e42516043447b7a3e7185d65557916494aaafeb36792fa1c09c514e2bbb