Observatory · observe first

Follow the allocation change

Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.

Historical time machine
Historical observation
20182026
Universe›Industrials›Passenger Airlines›Passenger Airlines
Passenger Airlines · weight
0.47%
Industry change · 12M
-0.06 pp
Passenger Airlines · contribution
-0.061 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Delta Air Lines →
DAL
United States$33.7bn0.196%+0.001 pp-0.034 pp-2.2%Yes
Southwest Airlines →
LUV
United States$25.8bn0.151%-0.029 pp-0.029 pp-5.7%Yes
United Airlines Holdings →
UAL
United States$20.4bn0.119%-0.017 pp+0.002 pp+11.6%Yes

Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.