Download the BTS on-time airline extract cited on this page: bts-ontime-airline-statistics.csv (public domain / CC0).
Original data research from the PlainFlights editorial process. Every page derives at least one statistic from our own database, cites primary sources inline, and documents its methodology and limits.
What this research covers
PlainFlights research ranks BTS On-Time Performance reporting across 38.3M domestic flight segments from 382 airports and 18 carriers (4,927 routes in the extract).
Studies below answer one ranking question each from the live BTS mirror; they are descriptive on-time statistics, not booking advice or airline recommendations.
How flight delays and cancellations vary across U.S. states, drawn entirely from the BTS On-Time Performance record for 2020–2025, with per-state on-time rates, cancellation rates, and the busiest hubs.