DL6870Delta Air Lines · SFO → YYC
live · 15m ago
Route confirmed Delta Air Lines

DL6870 San FranciscoSFO CalgaryYYC

DL6870 by Delta Air Lines flies from San Francisco (SFO) to Calgary (YYC).

Right nowNext departure tomorrow Operates daily
06:00

scheduled from SFO

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
YYCCalgaryOn-time likelyYYC delay board →
SFO→YYCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.6%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions 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 at San Francisco

Forecast

Sun 8 Nov, local date

High21°Clikely 20°C to 23°C
Low13°Clikely 12°C to 14°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Calgary

Forecast

Mon 9 Nov, local date

High10°Clikely 7°C to 13°C
Low0°Clikely −3°C to 3°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 San Francisco to Calgary flights today

same route · Delta Air Lines
DL6940departs 13:00
DL6939departs 16:40
DL6889departs 17:40
DL6894departs 18:05
DL6936departs 18:05

If DL6870 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 DL6870 actually runs

Pro Flight Search has tracked every published board update for DL6870 across the SFO and YYC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SFO and YYC.

The verdict above is that record speaking, so it reflects how DL6870 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around DL6870? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: DL6870 San Francisco to Calgary on-time performance, measured from the SFO and YYC airport boards.

Canonical URL
https://proflightsearch.com/flight/DL6870
How we measure this →