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
0.17%
Industry change · 12M
+0.01 pp
Passenger Airlines · contribution
+0.009 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
United Airlines Holdings →
UAL
United States$31.2bn0.063%+0.006 pp+0.019 pp+69.1%Yes
Southwest Airlines →
LUV
United States$16.8bn0.034%-0.006 pp-0.008 pp+10.1%No
Delta Air Lines →
DAL
United States$37.1bn0.074%+0.005 pp-0.002 pp+13.1%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.