DL6940 San FranciscoSFO · 13:00 CalgaryYYC
DL6940 by Delta Air Lines flies from San Francisco (SFO) to Calgary (YYC).
scheduled from SFO
Where the minutes go
last 5 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 operation0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO and YYC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow on this route
ForecastSan Francisco to Calgary with Delta Air Lines · Sun 1 Nov, local date
- Chance a departure is cancelled
- 0.9%0.5× usual
- Chance a departure leaves 60+ min late
- 11%0.9× usual
Forecast weather: 84% chance of rain at San Francisco
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Calgary flights today
same route · Delta Air LinesIf DL6940 is cancelled, these are the other Delta Air Lines nonstop flights from San Francisco to Calgary on the same day, with scheduled departure times in SFO local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How DL6940 actually runs
Pro Flight Search has tracked every published board update for DL6940 across the SFO and YYC boards: schedule changes, gate pushes and actual clocks. Usually departs ~56 min late. Based on 5 confirmed departures · 2/5 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL6940 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SFO and YYC published them.
Planning around DL6940? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: DL6940 San Francisco to Calgary on-time performance, measured from the SFO and YYC airport boards.
https://proflightsearch.com/flight/DL6940
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