Delta Air LinesDL
Flights DL6939 06:00 daily · DL6940 13:00 daily · DL6894 18:05 Th Sa Su · DL6936 18:05 Mo Tu We Fr
live
Direct flights from San Francisco (SFO) to Calgary (YYC): 14 nonstop departures observed each week across 2 airlines. 91% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 11 tracked flights. The nonstop covers 1,638 km, an estimated 2 hours 36 minutes in the air. Measured by Pro Flight Search from live flight boards at San Francisco and Calgary. Updated 8 September 2026 at 04:34 UTC.
SFO
San Francisco
smooth · +5
YYC
Calgary
smooth · +0
1,638 km · ~2h 36m est.
Runs reliable · 2 airlines · 14x weekly · nonstop
91% on time
of the last 11 operated SFO → YYC flights arrived within 15 minutes
Median arrival delay is −8 min. 0 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−8 minacross the last 11 operated legs
Flight time~2h 36mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 11
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesUnited Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysUnited AirlinesUA
Flights UA1986 08:39 daily
History
operated legs · board outcomes09-07AC3468departed−4
09-07AM7064departed−8
09-07EK4659departed−8
09-07KE6638departed−8
09-07QF3994departed−8
09-07SK9556departed−8
09-07WS1501arrived−12
09-07WS1503arrived+28
09-07WS1507dep −8 → arr−17
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at SFO: 56% odds of a 15+ minute delay and around +23 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the San Francisco to Calgary route actually runs
Pro Flight Search records official board updates for nonstop SFO to YYC flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · 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 — San Francisco (SFO) to Calgary (YYC) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SFO-YYC
SFO to YYC questions
Is SFO–YYC running on time right now?
Mostly on schedule. The departure side at SFO is the weaker end, route health score 79/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SFO–YYC?
Operators schedule morning departures around 06:00 and evening departures around 18:05 from SFO. Earlier flights typically land before destination-airport delays accumulate later in the day; check the YYC delay card to confirm conditions when you'd arrive.
How long is the flight from SFO to YYC?
Great-circle distance is 1,638 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 146–170 min gate-to-gate on this route.
How often does SFO–YYC fly?
2 carriers operate this route, around 28 flights a week between them. Compare carrier days and times in the airline list above.
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