# US DOT Flight Delays — 2015 (Parquet Version) This dataset contains 5,819,079 records of commercial flights in the United States during 2015. It has been converted to Parquet for efficient analyt
BTS on-time performance data joined with NOAA ASOS weather observations and US federal holiday flags. Covers 2018–2024 US domestic flights. Target: ArrDel15 (binary, 1 if arrival delay >= 15 minutes).
