Question 1

What is the flight distance between London (LHR) and Chicago (ORD)?

Accepted Answer

The shortest Great Circle flight distance between London Heathrow Airport (LHR) and Chicago O'Hare International Airport (ORD) is 6,344 km (3,425 nautical miles / 3,942 statute miles).

Question 2

How long is the flight time from LHR to ORD?

Accepted Answer

The estimated commercial flight time from LHR to ORD is approximately 8h 36m at typical cruising speeds (900 km/h), factoring in prevailing winds and standard 30-minute runway buffers.

Question 3

What is the difference between the Great Circle and Rhumb line route from LHR to ORD?

Accepted Answer

The Great Circle geodesic path is the shortest spherical distance at 6,344 km. In contrast, the Rhumb line covers 6,724 km (+380 km (+6.0%) divergence).

Question 4

What is the initial flight heading from LHR to ORD?

Accepted Answer

The initial true forward bearing when departing from LHR toward ORD is 298° WSW.