JetSetAuthority

Route · United States and Canada

ORD Chicago ⇄ LAS Las Vegas

Chicago O'Hare International Airport (United States) and Harry Reid International Airport (United States): great-circle distance, estimated scheduled flight time each way, time difference and jet lag.

Distance2,432 km1,511 mi1,313 nautical miles
ORD → LAS4 h 10 minestimated block time
LAS → ORD3 h 35 minestimated block time
Clock change−2 hLas Vegas vs Chicago, today
Great-circle route from Chicago (ORD) to Las Vegas (LAS)ORDChicagoLASLas Vegas
The shortest path over the Earth’s surface (great circle), drawn on a Natural Earth projection. Real flight paths bend around weather, winds and closed airspace.

Flight time each way

ORD → LAS

4 h 10 min

Estimated gate-to-gate scheduled time. Initial heading 263° (W).

Leave Chicago Sat 7 Nov, 10:00 local → arrive Las Vegas Sat 7 Nov, 12:10 local.

LAS → ORD

3 h 35 min

Estimated gate-to-gate scheduled time. Initial heading 66° (ENE).

Leave Las Vegas Sat 7 Nov, 10:00 local → arrive Chicago Sat 7 Nov, 15:35 local.

LAS-bound flights are the slower direction by about 35 minutes in our estimate: the route runs mostly east–west through latitudes where the prevailing westerly winds at cruise height are strong, so heading east rides a tailwind and heading west fights a headwind. How we estimate it.

Distance

Great-circle distance2,432 km · 1,511 mi · 1,313 nmi
Initial heading263° (W) from ORD; 66° (ENE) from LAS
Farthest from the equator42.0°N
Crossesneither the equator nor the 180th meridian
Share of the longest possible trip12% of the 20,015 km to the far side of the Earth

Time zones and jet lag

ORDAmerica/Chicago — UTC−5 now; UTC−6 standard time, UTC−5 during daylight saving time
LASAmerica/Los_Angeles — UTC−7 now; UTC−8 standard time, UTC−7 during daylight saving time
DifferenceLas Vegas is 2 hours behind Chicago today.

Jet lag, flying ORD → LAS. Your body clock has to move 2 hours later, like a westward trip. A shift this small rarely causes much jet lag; most people feel normal within a day or so. Flying the other way, the shift is reversed.

General information, not medical advice.

The two airports

More routes from ORD and LAS

Routes of a similar length

Need a different pair? The flight-time calculator works for any two of 3,245 airports. Not covered: which airlines fly this route, schedules, fares and live status — that data is proprietary and we don’t guess it.

Photos on airport pages are credited there. Estimates are rounded to 5 minutes; typical error about 13 minutes (validation).