FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

IAH ↔ LHR

Two-way market traffic, capacity, airline participation and annual performance.

246,251
2026 passengers
1,324
2026 departures
72.1%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
UAUnited Air Lines Inc.133,27471867.3%
BABritish Airways Plc112,97760678.6%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015544,0351,490.5824,2123,49466.0%
2016497,0061,357.9761,6533,37765.3%
2017457,4801,253.4663,5462,69568.9%
2018483,9061,325.8677,3452,76671.4%
2019494,9011,355.9674,0442,70173.4%
202079,706217.8155,72965051.2%
202176,295209.0186,59380640.9%
2022376,2411,030.8520,5252,07672.3%
2023506,6981,388.2682,3702,63374.3%
2024520,1221,421.1702,0632,70274.1%
2025509,6061,396.2700,3972,68072.8%
2026246,2511,360.5341,6661,32472.1%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.