Because to reset the whole network, they need a lot more pilots than they actually have. Someone would have to fly all the planes around at night, but it can’t

Because to reset the whole network, they need a lot more pilots than they actually have. Someone would have to fly all the planes around at night, but it can’t be the pilots who flew during the day (they need to sleep at night). Like any airline, Southwest does not keep many more pilots on the payroll than they need under normal operations.