Which airlines will announce bankruptcy by December 31

Alaska Airlines - No 6939 1.00

Alaska Airlines - Yes 6939 28.00

American Airlines - No 6939 1.03

American Airlines - Yes 6939 12.60

Allegiant Air - No 6939 1.00

Allegiant Air - Yes 6939 29.00

JetBlue Airways - No 6939 1.10

JetBlue Airways - Yes 6939 7.00