Flight delays and cancellations that waylaid travelers across the country last weekend are improving but cancellations continue, including in Detroit; a return to normal globally wasn’t expected until mid-week, according to FlightAware.com. There were 112 delays, both arrival and departures, at Detroit Metro Airport on Monday, as well as 23 cancellations. Spirit Airlines on Monday canceled the most number of flights,17, 25% of its scheduled flights. Delta Air Lines delayed the most flights, 37, 10% of its flights. SkyWest Airlines canceled 29, 16% of its flights. The spring break flight cancel…