Stories of canceled flights, lost luggage and late arrivals abound. It might seem that the whole system is a mess, but which carriers are the biggest culprits? To measure the worst performers, ForbesTraveler analyzed the U.S. Department of Transportation’s Air Travel Consumer Report for the criteria that consumers say are closest to their hearts — flight delays, cancellations and mishandled bags.  So here we go…

At number 5 from the end is: Expressjet

On-Time Performance: 73 percent (ninth worst)
Baggage Mishandling: 8.9 per 1,000 passengers (fifth)
Cancellations: 3.4 percent (fourth)
4. Mesa Airlines

On-Time Performance: 72.5 percent (seventh worst)
Baggage Mishandling: 10.1 per 1,000 passengers (fourth)
Cancellations: 2.7 percent (sixth)

3. American Eagle

On-time performance: 69 percent (fourth worst)
Baggage mishandling: 13.5 per 1,000 passengers (second)
Cancellations: 4.4 percent (third)

2. Comair

On-Time Performance: 66.6 percent (second worst)
Baggage Mishandling: 11.9 per 1,000 passengers (third)
Cancellations: 5.4 percent (worst)

1. Atlantic Southeast

On-time performance: 63.3 percent (worst)
Baggage mishandling: 16.9 per 1,000 passengers (worst)
Cancellations: 4.4 percent (second)