Air Miles Calculator

Distance between Chicago, IL (ORD) and Houston, TX (HOU)

Distance from Chicago to Houston (William P. Hobby Airport – O'Hare International Airport) is 945 miles / 1521 kilometers / 821 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 944.852 miles
  • 1520.593 kilometers
  • 821.054 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 946.091 miles
  • 1522.586 kilometers
  • 822.130 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to William P. Hobby Airport (HOU) is 2 hours 17 minutes.

Time difference and current local times

There is no time difference between Chicago and Houston.

Time Difference

Chicago
Houston

Chicago, IL

 CDT

Houston, TX

 CDT

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

Map

Chicago to Houston flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Houston (HOU).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
945
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
945

Round trip?