UA686United Airlines · SFO → IAH
live · 4m ago
Route confirmed United Airlines

UA686 San FranciscoSFO · 07:15 HoustonIAH · 13:08

UA686 by United Airlines flies from San Francisco (SFO) to Houston (IAH) for the Thu, Oct 29 departure.

Right nowLanded in Houston · today
13:04

arrived at IAH · 4 min early

Wins back in air~7 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
IAHHoustonOn-time likelyIAH delay board →
SFO→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
1.3%Chance of cancellation
+12 minTypical airport delay in this weather

Conditions at SFO and IAH 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 on this route

Forecast

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

Outlook: about usual
Chance a departure is cancelled
0.2%2.6× usual
Chance a departure leaves 60+ min late
3.6%1.4× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 11 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 San Francisco to Houston flights today

same route · United Airlines
UA604departs 00:45
UA1886departs 00:55
UA2168departs 05:00
UA2367departs 08:48
UA2498departs 08:50
UA1259departs 10:45

If UA686 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Houston 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 UA686 actually runs

Pro Flight Search has tracked every published board update for UA686 across the SFO and IAH boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed -13 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA686 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
10-29SFO 07:15 07:09 (−6)IAH 13:08 13:04 (−4)
10-28SFO IAH 13:08 12:46 (−22)

Board clocks recorded as SFO and IAH published them.

Planning around UA686? 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: UA686 San Francisco to Houston on-time performance, measured from the SFO and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/UA686
How we measure this →