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
0.19%
Industry change · 12M
-0.02 pp
Passenger Airlines · contribution
-0.022 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 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$43.0bn0.082%+0.009 pp-0.014 pp-0.9%Yes
United Airlines Holdings →
UAL
United States$33.1bn0.063%+0.004 pp-0.014 pp-3.3%No
Southwest Airlines →
LUV
United States$24.6bn0.047%+0.016 pp+0.006 pp+58.1%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.