UA1803United Airlines · ORD → LAX
live · 48m ago
Route confirmed United Airlines

UA1803 ChicagoORD · 11:00 Los AngelesLAX · 13:01

UA1803 by United Airlines flies from Chicago (ORD) to Los Angeles (LAX) for the Sun, Oct 18 departure.

Same number through ORD → LAS → LAX

Right nowScheduled · gate C15 · as of 00:13
11:00

departs ORD · on schedule

Typical gate push−3 minmedian posted departure

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
LAXLos AngelesOn-time likelyLAX delay board →
ORD→LAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
1.2%Chance of cancellation
+12 minAvg hub delay right now

Conditions at ORD and LAX 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 Los Angeles flights today

same route · United Airlines
UA574departs 07:20
UA2811departs 09:15
UA704departs 13:30
UA1875departs 15:40
UA365departs 16:35
UA1851departs 16:45

If UA1803 is cancelled, these are the other United Airlines nonstop flights from Chicago to Los Angeles 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 UA1803 actually runs

Pro Flight Search has tracked every published board update for UA1803 across the ORD and LAX boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed -3 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1803 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 10:55 10:52 (−3)LAX

Board clocks recorded as ORD and LAX published them.

Planning around UA1803? 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 — UA1803 Chicago to Los Angeles on-time performance, measured from the ORD and LAX airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1803
How we measure this →