MIRAMAR, Fla.  – Spirit Airlines, which has canceled more than 1,300 flight since Sunday,  cancelled 380 more flights Thursday . That was 48% of Spirit’s schedule. In Minneapolis, where Delta’s RST and LSE flights connect with Spirit, travelers faced 12 delays and 10 cancellations on Thursday. In Chicago, where American flights from RST and LSE connect with Spirit, there also were delays and cancelations. Spirit blamed tech outages, heavy summer bookings, and staffing sh

Spirit. The ultra-discount carrier’s fleet has 167 craft, all Airbuses. Spirit has been in business since 1990.