American Airlines Group Inc. (AAL) vs Delta Air Lines, Inc. (DAL)

American Airlines Group Inc. and Delta Air Lines, Inc. are both Airlines companies. Delta Air Lines, Inc. is the larger, with a market value of $54.8B against $9.0B — 6.1× the size. American Airlines Group Inc. has negative trailing earnings, so its P/E is not meaningful; Delta Air Lines, Inc. trades at 14.0×. Delta Air Lines, Inc. grew revenue faster over the last twelve months: 10.3% against 7.53%. Delta Air Lines, Inc. has the higher net margin (5.78% vs −0.56%) and the higher return on invested capital (11.1% vs 3.82%). Across the 19 metrics below, Delta Air Lines, Inc. leads on 15 and American Airlines Group Inc. on 4.