UA8175United Airlines · YYZ → SFO
live · 58m ago
Route confirmed United Airlines

UA8175 TorontoYYZ San FranciscoSFO · 13:10

UA8175 by United Airlines flies from Toronto (YYZ) to San Francisco (SFO) for the Thu, Oct 29 departure.

Right nowLanded in San Francisco · today
14:32

arrived at SFO · 82 min late

Typical arrival−5 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-29
+82 arrival
10-28
−20 arrival
10-27
−8 arrival
10-26
−5 arrival
10-24
+6 arrival

The 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 operation

median arrival −5 min · 0 cancelled · 5 operations tracked

The route today

live boards
YYZTorontoOn-time likelyYYZ delay board →
SFOSan FranciscoOn-time likelySFO delay board →
YYZ→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
48%Chance of 15+ min delay
5.1%Chance of cancellation
+12 minTypical airport delay in this weather

Driven mainly by SFO (San Francisco), currently flying VFR (visual). 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

Forecast

Toronto to San Francisco with United Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.6%0.5× usual
Chance a departure leaves 60+ min late
5.9%0.9× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Toronto to San Francisco flights today

same route · United Airlines
UA2603departs 06:30
UA565departs 06:30
UA2462departs 17:10
UA8115departs 19:00
UA8238departs 19:25

If UA8175 is cancelled, these are the other United Airlines nonstop flights from Toronto to San Francisco on the same day, with scheduled departure times in YYZ 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 UA8175 actually runs

Pro Flight Search has tracked every published board update for UA8175 across the YYZ and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 5 confirmed landings · 4/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA8175 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-29YYZ SFO 13:10 14:32 (+82)
10-28YYZ SFO 13:10 12:50 (−20)
10-27YYZ SFO 13:10 13:02 (−8)
10-26YYZ SFO 13:10 13:05 (−5)
10-24YYZ SFO 12:34 12:40 (+6)

Board clocks recorded as YYZ and SFO published them.

Planning around UA8175? 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: UA8175 Toronto to San Francisco on-time performance, measured from the YYZ and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8175
How we measure this →