UA1811United Airlines · ORD → SAN
live · 35m ago
Route confirmed United Airlines

UA1811 ChicagoORD · 12:40 San DiegoSAN · 15:02

UA1811 by United Airlines flies from Chicago (ORD) to San Diego (SAN) for the Tue, Aug 18 departure.

Right nowEn route to San Diego · off blocks 12:36 · 4 min early
En route

en route from ORD to SAN

En routeUA1811 · position estimated
ORDChicagoSANSan Diego
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 12:36 · typical taxi-out at ORD ≈ 8.1 min. No receiver coverage over open ocean.

Typical gate push−4 minmedian posted departure
Typical arrival−1 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
08-19
−4 gate · −8 arrival
08-18
−4 gate · −8 arrival
08-17
−4 gate · −1 arrival
08-16
+18 gate · +3 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
ORDChicagoOn-time likelyORD delay board →
SANSan DiegoOn-time likelySAN delay board →
ORD→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
55%Chance of 15+ min delay
0.4%Chance of cancellation
+17 minAvg hub delay right now

Conditions at ORD and SAN 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 Chicago to San Diego flights today

same route · United Airlines
UA2428departs 07:01
UA660departs 08:46
UA2683departs 13:00
UA2138departs 16:00
UA8138departs 16:00
UA745departs 16:05

If UA1811 is cancelled, these are the other United Airlines nonstop flights from Chicago to San Diego 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 UA1811 actually runs

Pro Flight Search has tracked every published board update for UA1811 across the ORD and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1811 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
08-19ORD 12:40 12:36 (−4)SAN 15:02 14:54 (−8)
08-18ORD 12:40 12:36 (−4)SAN 15:02 14:54 (−8)
08-17ORD 12:40 12:36 (−4)SAN 15:02 15:01 (−1)
08-16ORD 12:40 12:58 (+18)SAN 15:02 15:05 (+3)

Board clocks recorded as ORD and SAN 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 — UA1811 Chicago to San Diego on-time performance, measured from the ORD and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1811
How we measure this →