This is one of the case studies from Chapter 1 of the textbook (pp. 1-2). You may load it from the URL linked above or the resampledata package.
library(resampledata)
library(tidyverse)
glimpse(FlightDelays)Rows: 4,029
Columns: 10
$ ID <int> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17…
$ Carrier <fct> UA, UA, UA, UA, UA, UA, UA, UA, UA, UA, UA, UA, UA, UA, U…
$ FlightNo <int> 403, 405, 409, 511, 667, 669, 673, 677, 679, 681, 683, 68…
$ Destination <fct> DEN, DEN, DEN, ORD, ORD, ORD, ORD, ORD, ORD, ORD, ORD, OR…
$ DepartTime <fct> 4-8am, 8-Noon, 4-8pm, 8-Noon, 4-8am, 4-8am, 8-Noon, 8-Noo…
$ Day <fct> Fri, Fri, Fri, Fri, Fri, Fri, Fri, Fri, Fri, Fri, Fri, Fr…
$ Month <fct> May, May, May, May, May, May, May, May, May, May, May, Ma…
$ FlightLength <int> 281, 277, 279, 158, 143, 150, 158, 160, 160, 163, 163, 16…
$ Delay <int> -1, 102, 4, -2, -3, 0, -5, 0, 10, 60, 0, 32, 0, 44, 52, 8…
$ Delayed30 <fct> No, Yes, No, No, No, No, No, No, No, Yes, No, Yes, No, Ye…