UA1679United Airlines · SFO → CUN
live · 3m ago
Route confirmed United Airlines

UA1679 San FranciscoSFO · 08:45 CancúnCUN · 17:08

UA1679 by United Airlines flies from San Francisco (SFO) to Cancún (CUN) for the Fri, Nov 6 departure.

Right nowIn the air to Cancún · off blocks 08:42 · 3 min early
17:08

estimated arrival at CUN · local time · ~2h 09m from now

LivePosition · updated 3m ago
SFO984 mi · ~2h 09m leftCUN
35,000 ftAltitudecruising
588 mphSpeed511 kt
138°Direction

Live position · flown path, last 2h 40m

Wins back in air~4 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
11-06
−3 gate
11-05
−1 gate · −12 arrival
11-04
+0 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 →
CUNCancúnOn-time likelyCUN delay board →
SFO→CUNevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
4.1%Chance of cancellation
+10 minTypical airport delay in this weather

Conditions at SFO and CUN 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

Sat 7 Nov, local date

High21°Clikely 19°C to 23°C
Low12°Clikely 11°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 Cancún

Forecast

Sat 7 Nov, local date

High31°Clikely 30°C to 31°C
Low24°Clikely 23°C to 25°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 Cancún flights today

same route · United Airlines
UA1054departs 06:46
UA1145departs 23:00

If UA1679 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Cancún 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 UA1679 actually runs

Pro Flight Search has tracked every published board update for UA1679 across the SFO and CUN boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed -6 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1679 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
11-06SFO 08:45 08:42 (−3)CUN 17:08
11-05SFO 08:45 08:44 (−1)CUN 17:08 16:56 (−12)
11-04SFO CUN 17:08 (+0)

Board clocks recorded as SFO and CUN published them.

Planning around UA1679? 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: UA1679 San Francisco to Cancún on-time performance, measured from the SFO and CUN airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1679
How we measure this →