FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

IAD ↔ LHR

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

367,965
2026 passengers
1,885
2026 departures
76.5%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
BABritish Airways Plc174,47885880.4%
UAUnited Air Lines Inc.134,79171074.1%
VSVirgin Atlantic Airways58,69631771.3%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015844,3732,313.41,185,5034,24671.2%
2016827,7462,261.61,167,6594,24270.9%
2017826,5902,264.61,139,6054,27172.5%
2018817,7002,240.31,071,4274,34976.3%
2019821,6562,251.11,064,8714,31177.2%
2020170,843466.8485,8581,80435.2%
2021185,623508.6402,6101,95046.1%
2022611,6111,675.6817,2323,22174.8%
2023810,4872,220.51,050,9034,01577.1%
2024787,0762,150.5967,7033,45381.3%
2025826,3482,264.01,094,9243,87075.5%
2026367,9652,033.0481,1891,88576.5%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.