RDU → STL: cancellations & delays
Over Jan 2023 - Apr 2026, 0.5% of Raleigh-Durham International Airport (RDU) to St. Louis Lambert International Airport (STL) flights were cancelled and 16.5% arrived at least 15 minutes late, across 1,903 flights, flown by WN. Cancellations peak in January.
Check today's live RDU departures →Airport pages: Raleigh-Durham International Airport (RDU) · St. Louis Lambert International Airport (STL)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.