American Airlines Group Inc. (AAL) vs Southwest Airlines Co. (LUV)

• American Airlines Group Inc. AAL 12.99 ▼ −4.70%
• Southwest Airlines Co. LUV 44.42 ▼ −4.31%

American Airlines Group Inc. and Southwest Airlines Co. are both Airlines companies. Southwest Airlines Co. is the larger, with a market value of $21.8B against $8.6B — 2.5× the size. American Airlines Group Inc. has negative trailing earnings, so its P/E is not meaningful; Southwest Airlines Co. trades at 21.1×. Southwest Airlines Co. grew revenue faster over the last twelve months: 14.5% against 12.3%. Southwest Airlines Co. has the higher net margin (3.34% vs −0.79%) and the higher return on invested capital (9.02% vs 3.66%). Across the 18 metrics below, Southwest Airlines Co. leads on 13 and American Airlines Group Inc. on 5.