PD671 TorontoYYZ · 09:45 San FranciscoSFO · 12:20
PD671 by Porter Airlines flies from Toronto (YYZ) to San Francisco (SFO) for the Mon, Aug 17 departure.
estimated arrival at SFO · local time
board checked 37m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 10:03 · typical taxi-out at YYZ ≈ 11 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operationmedian arrival +6 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYZ and SFO 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.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How PD671 actually runs
Pro Flight Search has tracked every published board update for PD671 across the YYZ and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min late. Based on 13 confirmed landings · 8/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how PD671 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: C-GKXK, C-GKYL, C-GKQU, C-GKQO.
Board clocks recorded as YYZ and SFO published them.
Planning around PD671? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — PD671 Toronto to San Francisco on-time performance, measured from the YYZ and SFO airport boards.
https://proflightsearch.com/flight/PD671
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