| On Time | 78.01 |
|---|---|
| Air Carrier Delay | 5.55 |
| Weather Delay | 0.76 |
| National Aviation System Delay | 7.01 |
| Security Delay | 0.05 |
| Aircraft Arriving Late | 6.64 |
| Cancelled | 1.74 |
| Diverted | 0.22 |
Sources:
, transtats.bts.gov

| On Time | 78.01 |
|---|---|
| Air Carrier Delay | 5.55 |
| Weather Delay | 0.76 |
| National Aviation System Delay | 7.01 |
| Security Delay | 0.05 |
| Aircraft Arriving Late | 6.64 |
| Cancelled | 1.74 |
| Diverted | 0.22 |
From June 2003 to May 2013, 78.01% of flights in the U.S. arrived on-time. The most common delay was air carrier delay, which happened for 5.55% of flights. 1.74% of flights were cancelled, while 0.22% were diverted. Only 0.05% of flights were delayed because of security issues. (Flight delay = 15 or more minutes behind arrival time)