Spirit Airlines cuts some spring, summer flights to head off weather disruptions

Spirit Airlines Inc. said it is cutting back on flights in the coming months, seeking to insulate its operations from weather disruptions and prevent the kind of cascading cancellations that have marred its operation recently.

Spirit
SAVE,
+2.79%
is the latest airline to throttle back its plans ahead of what airlines anticipate will be a frenzied summer. JetBlue Airways Corp.
JBLU,
+4.15%
said this month it would cut up to 10% of flights as it contends with a shortage of staff in some areas. Alaska Air Group Inc.
ALK,
+2.50%
trimmed 2% of flights through the end of June, citing the need to catch up on pilot training.