If you're flying Southwest soon, keep an eye on your flight status. On Sunday, the Dallas-based carrier canceled about 40 flights as it continued engine inspections following a deadly incident on a flight earlier this week, the company said in a statement. The cancellations, however, only made up one percent of Southwest's nearly 4,000 flights Sunday, according to the statement. According to FlightAware.com, 488 Southwest flights were being delayed Sunday, though it was not clear how many of those…