Calculations with different methods
- 1439.890 miles
- 2317.278 kilometers
- 1251.230 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
- 1437.498 miles
- 2313.429 kilometers
- 1249.152 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Phoenix Sky Harbor International Airport (PHX) to O'Hare International Airport (ORD) is 3 hours 13 minutes.
Time difference and current local times
The time difference between Phoenix and Chicago is 2 hours. Chicago is 2 hours ahead of Phoenix.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (393 pounds).
Phoenix to Chicago flight map.
Frequent Flyer Miles Calculator
Phoenix (PHX) → Chicago (ORD).