UA8102United Airlines · SFO → YYZ
live · 14m ago
Route confirmed United Airlines

UA8102 San FranciscoSFO TorontoYYZ · 20:22

UA8102 by United Airlines flies from San Francisco (SFO) to Toronto (YYZ).

Right nowNext departure tomorrow Operates daily
19:40

scheduled from SFO

Typical arrival+30 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival
0+72+144+216 min
09-03
+216 arrival
08-29
+30 arrival
08-24
−11 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

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

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
59%Chance of 15+ min delay
5.1%Chance of cancellation
+24 minAvg hub delay right now

Conditions at SFO and YYZ are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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 Toronto flights today

same route · United Airlines
UA608departs 08:10
UA8130departs 08:40
UA8220departs 10:05
UA8295departs 10:30
UA8144departs 12:29
UA436departs 22:51

If UA8102 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Toronto on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA8102 actually runs

Pro Flight Search has tracked every published board update for UA8102 across the SFO and YYZ boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +30 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA8102 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-03SFO YYZ 20:22 23:58 (+216)
08-29SFO YYZ 20:12 20:42 (+30)
08-24SFO YYZ 20:07 19:56 (−11)

Aircraft

Recent tails: N37252, N37527, N37508.

Board clocks recorded as SFO and YYZ published them.

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 — UA8102 San Francisco to Toronto on-time performance, measured from the SFO and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8102
How we measure this →