2.4 April flights
Summary statistics for April
## year month day dep_time sched_dep_time
## Min. :2013 Min. :4 Min. : 1.00 Min. : 1 Min. : 500
## 1st Qu.:2013 1st Qu.:4 1st Qu.: 8.00 1st Qu.: 911 1st Qu.: 914
## Median :2013 Median :4 Median :15.00 Median :1407 Median :1400
## Mean :2013 Mean :4 Mean :15.43 Mean :1353 Mean :1351
## 3rd Qu.:2013 3rd Qu.:4 3rd Qu.:23.00 3rd Qu.:1753 3rd Qu.:1735
## Max. :2013 Max. :4 Max. :30.00 Max. :2400 Max. :2359
## NA's :4008
## dep_delay arr_time sched_arr_time arr_delay
## Min. :-21.00 Min. : 1 Min. : 1 Min. :-68.00
## 1st Qu.: -5.00 1st Qu.:1106 1st Qu.:1124 1st Qu.:-15.00
## Median : -2.00 Median :1535 Median :1602 Median : -2.00
## Mean : 13.94 Mean :1501 Mean :1537 Mean : 11.18
## 3rd Qu.: 12.00 3rd Qu.:1946 3rd Qu.:1951 3rd Qu.: 19.00
## Max. :960.00 Max. :2400 Max. :2359 Max. :931.00
## NA's :4008 NA's :4260 NA's :4596
## carrier flight tailnum origin
## Length:169980 Min. : 1 Length:169980 Length:169980
## Class :character 1st Qu.: 547 Class :character Class :character
## Mode :character Median :1465 Mode :character Mode :character
## Mean :1979
## 3rd Qu.:3790
## Max. :5968
##
## dest air_time distance hour
## Length:169980 Min. : 20.0 Min. : 80 Min. : 5.00
## Class :character 1st Qu.: 84.0 1st Qu.: 509 1st Qu.: 9.00
## Mode :character Median :133.0 Median : 888 Median :14.00
## Mean :153.1 Mean :1039 Mean :13.25
## 3rd Qu.:194.0 3rd Qu.:1389 3rd Qu.:17.00
## Max. :671.0 Max. :4983 Max. :23.00
## NA's :4596
## minute time_hour
## Min. : 0.00 Min. :2013-04-01 05:00:00
## 1st Qu.: 7.00 1st Qu.:2013-04-08 14:00:00
## Median :29.00 Median :2013-04-15 21:00:00
## Mean :26.04 Mean :2013-04-15 23:33:57
## 3rd Qu.:42.00 3rd Qu.:2013-04-23 13:00:00
## Max. :59.00 Max. :2013-04-30 23:00:00
##