✈ LAS → ORD
LAS VEGAS → CHICAGO IN 3H 39M. PACK SNACKS. PACK PATIENCE.
Flight from Las Vegas to Chicago
From Harry Reid (LAS), USA North America → O'Hare (ORD), USA North America
How long is the flight from Las Vegas to Chicago?
A nonstop flight from Las Vegas (LAS) to Chicago (ORD) takes about 3 hours 39 minutes, covering a great-circle distance of 1,511 miles (2,431 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
3h 39m
Nonstop, scheduled
Distance
1,511 mi
2,431 km · great-circle
Avg speed
667 km/h
Door-to-door including taxi
Time zones & jet lag
Las Vegas timezone
UTC-7
America/Los_Angeles
Chicago timezone
UTC-5
America/Chicago
Time difference
+2h
2 hours ahead
Jet lag (rough)
~2d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3× the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.