UA1583United Airlines · LAS → ORD
live · 24m ago
Route confirmed United Airlines

UA1583 Las VegasLAS ChicagoORD

UA1583 by United Airlines flies from Las Vegas (LAS) to Chicago (ORD).

Right nowNext departure today Operates daily
16:15

scheduled from LAS

The route today

live boards
LASLas VegasOn-time likelyLAS delay board →
ORDChicagoOn-time likelyORD delay board →
LAS→ORDevery 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
1.2%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at LAS and ORD 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 LAS

Forecast

Fri 13 Nov, local date

High22°Clikely 20°C to 24°C
Low14°Clikely 12°C to 15°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 ORD

Forecast

Fri 13 Nov, local date

High6°Clikely 5°C to 7°C
Low2°Clikely 0°C to 3°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 Las Vegas to Chicago flights today

same route · United Airlines
UA664departs 06:45
UA1492departs 08:44
UA2458departs 11:00
UA2788departs 12:50
UA706departs 14:34
UA2320departs 16:11

If UA1583 is cancelled, these are the other United Airlines nonstop flights from Las Vegas to Chicago on the same day, with scheduled departure times in LAS 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 UA1583 actually runs

Pro Flight Search has tracked every published board update for UA1583 across the LAS and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at LAS and ORD.

The verdict above is that record speaking, so it reflects how UA1583 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA1583? 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: UA1583 Las Vegas to Chicago on-time performance, measured from the LAS and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1583
How we measure this →