American, Southwest and JetBlue added their financial post-mortems for 2020 to the doleful ones already reported by Delta, United and Alaska, as well as their outlooks for what’s looking like another forbidding year.

American, Southwest and JetBlue added their financial post-mortems for 2020 to the doleful ones already reported by Delta, United and Alaska, as well as their outlooks for what’s looking like another forbidding year.