WestJet's 89.5 percent on-time arrival rate ranked it as June's most punctual major North American airline,

according to FlightStats. On average, 75.7 percent of North American carriers’ June flights arrived at their gates within 15 minutes of their scheduled times. Among the 13 largest carriers, Alaska Airlines (87.2 percent), Virgin America (81.5 percent), Delta Air Lines (80.4 percent), JetBlue Airways (79.8 percent) and Air Canada (79 percent) also had above-average on-time arrival rates. Rates were below average for American Airlines (74.6 percent), US Airways (73.9 percent), Southwest Airlines (73.8 percent), United Airlines (70.1 percent), Frontier Airlines (70 percent), Allegiant Air (58.8 percent) and Spirit Airlines (53.7 percent).