WS858WestJet · YYZ → YUL
live · 2h ago
Route confirmed WestJet

WS858 TorontoYYZ · 23:00 MontréalYUL · 00:25

WS858 by WestJet flies from Toronto (YYZ) to Montréal (YUL).

Right nowNext departure today Operates daily
23:00

scheduled from YYZ

⚖ WS858 typically leaves +18 and lands −14. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-07
+59 gate · +21 arrival
09-06
+19 gate · −14 arrival
09-05
+18 gate · −17 arrival
09-04
+12 gate · −30 arrival
09-03
−7 gate · −11 arrival
09-02
+60 gate · +30 arrival
09-01
+7 gate · −29 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −14 min · 0 cancelled · 10 operations tracked

The route today

live boards
YYZTorontoOn-time likelyYYZ delay board →
YULMontréalOn-time likelyYUL delay board →
YYZ→YULevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
47%Chance of 15+ min delay
9.2%Chance of cancellation
+12 minAvg hub delay right now

Conditions at YYZ and YUL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Under low visibility at YYZ, WestJet has historically cancelled ~11% of flights, vs 2.1% in clear conditions, over the trailing 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Toronto to Montréal flights today

same route · WestJet
WS8940departs 09:40
WS816departs 15:20
WS8949departs 20:00

If WS858 is cancelled, these are the other WestJet nonstop flights from Toronto to Montréal on the same day, with scheduled departure times in YYZ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WS858 actually runs

Pro Flight Search has tracked every published board update for WS858 across the YYZ and YUL boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 10 confirmed landings · 7/10 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WS858 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-07YYZ 23:00 23:59 (+59)YUL 00:25 00:46 (+21)
09-06YYZ 23:00 23:19 (+19)YUL 00:25 00:11 (−14)
09-05YYZ 23:00 23:18 (+18)YUL 00:25 00:08 (−17)
09-04YYZ 23:00 23:12 (+12)YUL 00:25 23:55 (−30)
09-03YYZ 23:00 22:53 (−7)YUL 00:25 00:14 (−11)
09-02YYZ 23:00 00:00 (+60)YUL 00:25 00:55 (+30)
09-01YYZ 23:00 23:07 (+7)YUL 00:25 23:56 (−29)
08-31YYZ 23:00 23:59 (+59)YUL 00:25 00:46 (+21)
08-30YYZ 23:00 23:12 (+12)YUL 00:25 00:04 (−21)
08-29YYZ YUL 00:25 00:01 (−24)

Aircraft

Recent tails: C-GUUL, C-FCTK, C-FZRM, C-GORP.

Board clocks recorded as YYZ and YUL published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WS858 Toronto to Montréal on-time performance, measured from the YYZ and YUL airport boards.

Canonical URL
https://proflightsearch.com/flight/WS858
How we measure this →