Figure 2
From: Universal patterns in passenger flight departure delays
The transfer density function q(l) vs. l obtained from the empirical BTS data. This function captured the intensity of all the previous departure delays that propagated to cause a DTPD. Data covers the statistics from Year 2014’s primary records over the 14 US airlines. (a) Airlines AA, MQ, F9, DL, HA and AS in Group 1; (b) Airlines B6, VX, UA, US, WN, EV, FL and OO of Group 2. Δl = 10 min.
