The Chicago to London route connects Chicago O'Hare International Airport (ORD) in US with London Heathrow Airport (LHR) in GB. This long-haul flight covers approximately 4000 miles (6437 km) with a typical flight time of 7h 19m. This route is served by 4 airlines: British Airways, American Airlines, United and others. AirportRoutes has tracked 9 unique flight numbers on this route.
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Chicago O'Hare International Airport
KORDORDEGLLLHR4
Operators9
Tracked Flights4000
Miles7h 19m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| British Airways |
BAW
|
BA
|
| American Airlines |
AAL
|
AA
|
| United |
UAL
|
UA
|
| Aer Lingus |
EIN
|
EI
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 11 | 20% |
|
| Tuesday | 6 | 11% |
|
| Wednesday | 11 | 20% |
|
| Thursday | 8 | 14% |
|
| Friday | 6 | 11% |
|
| Saturday | 10 | 18% |
|
| Sunday | 4 | 7% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
American Airlines
AAL
/ AA
|
B789 | 19:40 7:40 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 18, 2026 | Active | |
|
British Airways
BAW
/ BA
|
B77W | 19:05 7:05 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 18, 2026 | Active | |
|
Aer Lingus
EIN
/ EI
|
B78X | 21:45 9:45 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 18, 2026 | Active | |
|
United
UAL
/ UA
|
B763 | 21:40 9:40 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 18, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 19:05 7:05 PM | British Airways |
BAW
|
BA
|
| 19:40 7:40 PM | American Airlines |
AAL
|
AA
|
| 21:40 9:40 PM | United |
UAL
|
UA
|
| 21:45 9:45 PM | Aer Lingus |
EIN
|
EI
|
Time Information
Times are shown in the departure airport's local timezone (KORD - America/Chicago).