LHR to ORD Route Guide
London, United Kingdom → Chicago, United States
Quick answer
EGLL (London, United Kingdom) to KORD (Chicago, United States) is a 3,425 NM (6,343 km / 3,941 mi) great-circle route with an initial bearing of 298° (WNW). Typical cruise altitude FL380, expected flight time 7h 42m, common aircraft: Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR.
Distance
3,425 NM
6,343 km / 3,941 mi
Initial Bearing
298° (WNW)
True heading at departure
Typical Cruise
FL380
38,000 ft
Block Time
7h 42m
Typical jet, no wind correction
Fuel Estimate
11,775 kg
Single-aisle equivalent + reserve
Departure Elevation
83 ft
EGLL
Arrival Elevation
672 ft
KORD
What aircraft fly this route?
For a 3,425 NM mission, operators typically deploy:
- Boeing 757-200
- Boeing 737 MAX 8
- Airbus A321XLR
- Airbus A330-300
Weather considerations
Pilots flying LHR-ORD should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.
Frequently asked questions
What is the distance between LHR and ORD?
3,425 nautical miles (6,343 km / 3,941 statute miles) great-circle.
How long is the flight from London to Chicago?
Approximately 7h 42m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly LHR-ORD?
Common types include Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR, Airbus A330-300 depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL380 (38,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
298° true (WNW). Track varies along the route due to great-circle curvature.
Plan your next flight with confidence
Free aviation tools: METAR decoder, fuel calculator, weather, and live tracking.
Start Free →