Distance between Chicago, IL (ORD) and Houston, TX (IAH)
Distance from O'Hare International Airport to George Bush Intercontinental Airport is 925 miles / 1489 kilometers / 804 nautical miles.
Calculations with different methods
Vincenty's formula (applied above)
- 925.103 miles
- 1488.809 kilometers
- 803.892 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- 926.249 miles
- 1490.654 kilometers
- 804.889 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 George Bush Intercontinental Airport (IAH) is 2 hours 15 minutes.
Time difference and current local times
There is no time difference between Chicago and Houston.
Time Difference
Chicago
Houston
Chicago, IL
CST
Houston, TX
CST
Airport information
| A | O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| B | George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
Map
Flight map from Chicago to Houston.
Frequent Flyer Miles Calculator
Chicago (ORD) → Houston (IAH).
Elite level bonus (%):
Booking class bonus (%):
Air miles:
925
Elite level bonus:
0
Booking class bonus:
0
In total
Total frequent flyer miles:
925
Round trip?