Get Going, a U.K.-based travel insurance company, calculated the best and worst airlines in terms of reliability. By calculating delayed flights, average wait times, cancellations, safety rankings and customer rankers, these are the best and worst airlines in 2019.

World’s Most Reliable Airlines
Japan Airlines, with 126 domestic and 54 international routes, had only 10.54 percent of flights delayed and 1.05 percent canceled through November.

Dutch-based KLM Cityhopper has the lowest number of delayed flights at 9.6 percent, an average wait time of 33 minutes and 1.13 percent canceled.

IndiGo, India’s most popular low-budget airline, takes third place in the top 10, with 14.7 percent of flights delayed and only 0.07 percent canceled.

Emirates and Qatar Airways also made the top 10, in six and seventh place respectively. Nearly 85 percent of Emirates’ flights arrived on time — scoring 10/10 for safety. Qatar Airways remains close behind with nearly 84 percent of flights running on time.

Least Reliable
Frontier Airlines came out as the biggest loser, with 30.64 percent of flights delayed and an average delay time of 65 minutes.

American Airlines takes second place for least reliable with 18.07 percent of flights delayed, and an average of 61-minute wait times.