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
0.21%
Industry change · 12M
+0.04 pp
Passenger Airlines · contribution
+0.040 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2026 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Delta Air Lines →
DAL
United States$57.5bn0.100%+0.040 pp+0.027 pp+66.1%Yes
United Airlines Holdings →
UAL
United States$39.4bn0.069%+0.029 pp+0.008 pp+37.4%Yes
Southwest Airlines →
LUV
United States$22.0bn0.038%+0.013 pp+0.004 pp+48.1%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.