United States Department of Transportation

April 2012 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

Dataset Table:

Rank	Carrier	Flight Number	Month	Origin-Dest	Scheduled Departure Time	Number of Operations (minimum of 10 per month)	Number of Flight Operations Not Arriving On-Time*	Percent of Flight Operations Not Arriving On-Time*	Average Number of Minutes of Delay (30 min late flights only)**
1	SkyWest	5457	Apr	SFO-FAT	2111	26	17	65.38	94
2	Southwest	1117	Apr	HOU-EWR	1725	26	17	65.38	76
3	ExpressJet	4229	Apr	GSO-EWR	1823	22	13	59.09	86
4	SkyWest	5615	Apr	SBA-SFO	1924	26	15	57.69	118
5	ExpressJet	4561	Apr	DCA-EWR	1745	30	17	56.67	85
6	ExpressJet	4205	Apr	DCA-EWR	1659	13	7	53.85	64
7	ExpressJet	4532	Apr	DAY-EWR	1834	26	14	53.85	86
8	ExpressJet	4574	Apr	SYR-EWR	1405	13	7	53.85	82
9	ExpressJet	4229	Apr	EWR-GSO	1627	26	14	53.85	63
10	ExpressJet	4327	Apr	EWR-SDF	2112	26	14	53.85	68
11	ExpressJet	4092	Apr	EWR-MHT	1430	13	7	53.85	80
12	SkyWest	6293	Apr	SFO-CEC	1243	26	14	53.85	64
13	SkyWest	5345	Apr	SBA-SFO	2040	26	14	53.85	75
14	ExpressJet	4515	Apr	EWR-CHS	2008	30	16	53.33	67
15	ExpressJet	4301	Apr	BUF-EWR	1417	30	16	53.33	79
16	ExpressJet	4533	Apr	EWR-BDL	2059	29	15	51.72	70

Notes:

* Includes canceled and diverted flights

** For flights late more than 30 minutes only. Excludes canceled and diverted flights

Source:

Bureau of Transportation Statistics, Airline On-Time Data