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.
ᐊᖁᑦ 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 2, 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 25076020Vehicle position matchedFirst / last feed position: 6:30 a.m. EST / 7:25 a.m. EST; not actual start or end times.
- 08:12– 08:18Trip 12602020Vehicle position matchedFirst / last feed position: 8:16 a.m. EST / 8:24 a.m. EST; not actual start or end times.
- 08:40– 08:47Trip 7028020Vehicle position matchedFirst / last feed position: 8:02 a.m. EST / 8:55 a.m. EST; not actual start or end times.
- 16:05– 16:13Trip 2190020Vehicle position matchedFirst / last feed position: 3:43 p.m. EST / 4:21 p.m. EST; not actual start or end times.
- 17:06– 17:14Trip 34131020Vehicle position matchedFirst / last feed position: 5:07 p.m. EST / 5:20 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, Tue, Oct 6 to Mon, Nov 2.
Not counted: 1 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.
ᓄᓇᓕᐅᑉ ᐊᖅᑯᑎᓂᒃ ᐱᓕᕆᓂᖓ ᐅᓇ ᐊᖅᑯᑎ ᖃᓂᒋᔮᓂ
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 opensᐆᑦᑐᕆᑦ ᐊᒻᒪ
- ᐅᓂᒃᑳᖅ ᐃᓘᓐᓇ
- ᐅᖃᐅᑎᓗᒍ ᑲᑎᒪᔨᑦ
- 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 →