Southwest Airlines ordered 34 Boeing 737-7 Max aircraft, a strong sign of confidence in the once troubled airline program and a spot of good news for the beleaguered airframer. Editor Madhu Unnikrishnan and Airlines Reporter Edward "Ned" Russel talk about what that means for both Boeing and Southwest and whether there is a capacity-traffic mismatch for the summer. Also, how realistic are United's plans for supersonic travel by 2029 (when Boom's overture doesn't yet have an engine)?

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