Chicago O'Hare International ⇄ London ORD–LHR
Airlines flew 5,748 flights between Chicago O'Hare International ORD in Chicago, IL and London, United Kingdom LHR in London, GB in the twelve months to July 2026, both directions together: 1,036,729 passengers in 1,251,939 seats, 83% of them filled, and 113,421,441 pounds of freight. 3,953 miles, about 305 minutes in the air, on 3 airlines: United Air Lines Inc. (2,151), American Airlines Inc. (1,850), British Airways Plc (1,747).
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 353 |
| 2/25 | 313 |
| 3/25 | 362 |
| 4/25 | 534 |
| 5/25 | 556 |
| 6/25 | 509 |
| 7/25 | 539 |
| 8/25 | 551 |
| 9/25 | 538 |
| 10/25 | 505 |
| 11/25 | 392 |
| 12/25 | 430 |
| 1/26 | 410 |
| 2/26 | 367 |
| 3/26 | 433 |
| 4/26 | 509 |
| 5/26 | 555 |
| 6/26 | 533 |
| 7/26 | 525 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 60,288 |
| 2/25 | 44,241 |
| 3/25 | 67,771 |
| 4/25 | 89,840 |
| 5/25 | 111,791 |
| 6/25 | 106,543 |
| 7/25 | 107,933 |
| 8/25 | 107,533 |
| 9/25 | 106,214 |
| 10/25 | 97,635 |
| 11/25 | 65,897 |
| 12/25 | 75,757 |
| 1/26 | 64,299 |
| 2/26 | 52,211 |
| 3/26 | 75,904 |
| 4/26 | 85,013 |
| 5/26 | 102,910 |
| 6/26 | 103,982 |
| 7/26 | 99,374 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 2,151 | 279,276 | 76% | scheduled passenger service |
| American Airlines Inc. AA | 1,850 | 386,322 | 86% | scheduled passenger service |
| British Airways Plc BA | 1,747 | 371,131 | 86% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 767-300/300ER | 2,074 | 167 | 265,225 |
| B787-900 Dreamliner | 1,923 | 243 | 400,183 |
| Boeing 787-10 Dreamliner | 840 | 261 | 181,559 |
| Boeing 777-200ER/200LR/233LR | 746 | 239 | 154,610 |
| Boeing 777-300/300ER/333ER | 130 | 256 | 28,752 |
| B787-800 Dreamliner | 29 | 217 | 5,041 |
| Boeing 747-400 | 4 | 332 | 908 |
| Boeing 767-400/ER | 1 | 231 | 152 |
| Airbus 350-1000 | 1 | 331 | 299 |
ORD → LHR this direction alone · flown January 2025 to July 2026
2,870 flights of 2,028 scheduled, 523,494 passengers in 625,583 seats, 51,257,728 pounds of freight, 1,618,355 pounds of mail. United Air Lines Inc. 1,074; American Airlines Inc. 925; British Airways Plc 871.
LHR → ORD this direction alone · flown January 2025 to July 2026
2,878 flights of 2,046 scheduled, 513,235 passengers in 626,356 seats, 62,163,713 pounds of freight, 1,198,344 pounds of mail. United Air Lines Inc. 1,077; American Airlines Inc. 925; British Airways Plc 876.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Chicago O'Hare International ORD and London, United Kingdom LHR; all routes.