Evidence of schedule creep

US air travelers have had a sense of this for some time – flights seem to be taking longer.  And longer. Is this real or does it just feel longer because of annoying airport security and fuller, tighter cabins?  Take a look at the following model for evidence. ...
On-Time Update

On-Time Update

We now have the data for December 2019 and our models are being updated over the course of today. Here is our public model on flight performance for US airlines and it also shows you the times of day where arrivals are going to be delayed.  Click on the year list to...