Air CanadaAC
Flights AC4063 16:35 daily
live
Direct flights from Zurich (ZRH) to San Francisco (SFO): 21 nonstop departures observed each week across 3 airlines. 0% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 19 minutes late. No cancellations were recorded across the 6 tracked flights. The nonstop covers 9,376 km, an estimated 12 hours 31 minutes in the air. Measured by Pro Flight Search from live flight boards at Zurich and San Francisco. Updated 15 September 2026 at 08:23 UTC.
ZRH
Zurich
smooth · +6
SFO
San Francisco
smooth · +4
9,376 km · ~12h 31m est.
Runs rough · 3 airlines · 21x weekly · nonstop
0% on time
of the last 6 operated ZRH → SFO flights arrived within 15 minutes
Median arrival delay is +19 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+19 minacross the last 6 operated legs
Flight time~12h 31mestimated from route distance
Weekly departures21x3 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air CanadaSwiss International 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 daysHistory
operated legs · board outcomes09-14AC4063arrived+19
09-14LX3208arrived+19
09-14UA9728arrived+16
09-13AC4063arrived+29
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: 59% odds of a 15+ minute delay and around +21 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 Zurich to San Francisco route actually runs
Pro Flight Search records official board updates for nonstop ZRH to SFO 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 — Zurich (ZRH) to San Francisco (SFO) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ZRH-SFO
ZRH to SFO questions
Is ZRH–SFO running on time right now?
Smooth skies ahead. The departure side at ZRH is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ZRH–SFO?
Operators schedule 2 departures from ZRH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SFO delay card to confirm conditions when you'd arrive.
How long is the flight from ZRH to SFO?
Great-circle distance is 9,376 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 692–834 min gate-to-gate on this route.
How often does ZRH–SFO fly?
3 carriers operate this route, around 35 flights a week between them. Compare carrier days and times in the airline list above.
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