UA1334United Airlines · ORD → SFO
live · 46m ago
Route confirmed United Airlines

UA1334 ChicagoORD · 15:35 San FranciscoSFO · 18:24

UA1334 by United Airlines flies from Chicago (ORD) to San Francisco (SFO) for the Sat, Oct 17 departure.

Right nowEn route to San Francisco · off blocks 15:31 · 4 min early
17:47

estimated arrival at SFO · local time · ~2h 32m from now

En routeUA1334 · position estimated
ORDChicagoSFOSan Francisco
Estimated from the boardsarr 17:47

Board estimate · gate and arrival times. Off blocks 15:31 · typical taxi-out at ORD ≈ 7.6 min. No receiver coverage over open ocean.

Typical gate push+8 minmedian posted departure
Typical arrival−17 minmedian over 2 operations
Wins back in air~25 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
SFOSan FranciscoOn-time likelySFO delay board →
ORD→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
52%Chance of 15+ min delay
1.5%Chance of cancellation

Conditions at ORD and SFO 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

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 Chicago to San Francisco flights today

same route · United Airlines
UA246departs 06:07
UA1116departs 07:44
UA342departs 08:40
UA543departs 10:39
UA3870departs 12:00
UA3860departs 12:30

If UA1334 is cancelled, these are the other United Airlines nonstop flights from Chicago to San Francisco on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA1334 actually runs

Pro Flight Search has tracked every published board update for UA1334 across the ORD and SFO boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left a little late (~8 min) but landed about 17 min early. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1334 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
10-17ORD 15:35 15:31 (−4)SFO 18:24 17:47 (−37)
10-16ORD 15:35 15:43 (+8)SFO 18:24 18:07 (−17)

Board clocks recorded as ORD and SFO 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 — UA1334 Chicago to San Francisco on-time performance, measured from the ORD and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1334
How we measure this →