April-May 2012 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes
| Carrier | Flight Number | Month | Origin-Dest | Scheduled Departure Time | Total Operations (minimum of 10 per month)* | Number Not On-Time* | Percent Not On-Time* | Average Minutes of Delay (30 min late flights only)** |
|---|---|---|---|---|---|---|---|---|
| ExpressJet | 4561 | Apr | DCA-EWR | 1745 | 30 | 17 | 56.67 | 85 |
| ExpressJet | 4523 | May | DCA-EWR | 1745 | 23 | 16 | 69.57 | 91 |
Source: Bureau of Transportation Statistics, Airline On-Time Data
* Includes canceled and diverted flights
** For flights late more than 30 minutes only. Excludes canceled and diverted flights