LHR to ORD: Distance and Flight Time
The distance from London Heathrow Airport (LHR) to Chicago O'Hare International Airport (ORD) is 6,344 km (3,942 mi). A typical nonstop flight covers it in about 8h 25m, heading northwest. The distance is the same in either direction (ORD to LHR).
How far is it from London to Chicago?
The great-circle distance between London Heathrow Airport (LHR) and Chicago O'Hare International Airport (ORD) is 6,344 km (3,942 mi, 3,425 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from LHR to ORD?
A nonstop flight typically takes about 8h 25m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. ORD is roughly northwest of LHR.
How is the LHR to ORD route written in code?
The pair is written LHR-ORD in IATA codes and EGLL-KORD in ICAO codes, the form used on a flight plan. London Heathrow Airport is LHR (EGLL), Chicago O'Hare International Airport is ORD (KORD).
| LHR | ORD | |
|---|---|---|
| Airport | London Heathrow Airport | Chicago O'Hare International Airport |
| ICAO code | EGLL | KORD |
| Country | United Kingdom | United States |
| Elevation | 83 ft | 680 ft |
| Rank by connections | #4 | #2 |
EGLL starts with E, the ICAO prefix for northern Europe; KORD starts with K, the prefix for the contiguous United States. How ICAO prefixes are laid out.
ORD sits 597 ft (182 m) higher than LHR, which is a real difference in air density on takeoff.
Airlines flying LHR to ORD
6 airlines appear on this route in the open route dataset, 6 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| AA | American Airlines | AAL | American | Active |
| AY | Finnair | FIN | Finnair | Active |
| BA | British Airways | BAW | Speedbird | Active |
| UA | United Airlines | UAL | United | Active |
| US | US Airways | USA | U S Air | Active |
| VS | Virgin Atlantic Airways | VIR | Virgin | Active |
A further 3 carriers sell this pair as a codeshare without operating it: DL, IB, LH.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is London from Chicago?
London Heathrow Airport (LHR) and Chicago O'Hare International Airport (ORD) are 6,344 km (3,942 mi, 3,425 nautical miles) apart in a straight line.
How long is the flight from LHR to ORD?
A typical nonstop flight between LHR and ORD takes about 8h 25m. Actual times vary with aircraft type, winds and routing.
What direction is ORD from LHR?
Chicago O'Hare International Airport (ORD) lies roughly northwest of London Heathrow Airport (LHR).
Which airlines fly LHR to ORD?
6 airlines appear on the LHR-ORD route in the open dataset, including American Airlines, Finnair, British Airways.
Related routes
Other routes from London (LHR):
Other routes from Chicago (ORD):
LHR airport code · ORD airport code · Busiest airports worldwide