BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
RDU→BWI

Raleigh/Durham, NC (RDU) to Baltimore, MD (BWI) flight delay odds

83.7% of 1,800 official scheduled RDU-to-BWI flights arrived on time; 8.3% arrived at least 30 minutes late and 2.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
83.7%arrived on time
8.3%30+ min late
2.3%cancelled
1,800scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.2%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+0.8 mincompleted flights

Which departure time was most reliable for RDU to BWI?

Among qualifying RDU-to-BWI departure window results, Early morning had the highest on-time rate: 92.6% of 472 flights. Evening was lowest at 67.3% across 456 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning47292.6%2.5%3.2%
Late morning30392.1%2.0%0.3%
Afternoon56984.9%9.0%0.9%
Evening45667.3%17.8%4.6%

Which weekday was most reliable for RDU to BWI?

Among qualifying RDU-to-BWI weekday results, Saturday had the highest on-time rate: 90.3% of 196 flights. Sunday was lowest at 72.0% across 268 flights.

DayFlightsOn time30+ minCancelled
Monday27680.4%10.1%3.6%
Tuesday26086.9%5.4%0.8%
Wednesday24988.8%5.2%2.0%
Thursday27681.2%11.6%1.4%
Friday27588.4%6.2%2.2%
Saturday19690.3%4.1%1.5%
Sunday26872.0%14.2%4.5%

Which airline was most reliable for RDU to BWI?

Only Southwest Airlines met the RDU-to-BWI airline threshold: 83.7% of 1,788 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,78883.7%8.2%2.3%
Spirit Airlines1275.0%25.0%0.0%

Which month was most reliable for RDU to BWI?

Among qualifying RDU-to-BWI month results, April 2026 had the highest on-time rate: 92.5% of 146 flights. July 2025 was lowest at 71.0% across 169 flights.

MonthFlightsOn time30+ minCancelled
July 202516971.0%17.2%4.7%
August 202515086.0%9.3%1.3%
September 202514191.5%5.0%0.0%
October 202516681.3%10.2%0.0%
November 202516089.4%3.1%3.8%
December 202516184.5%5.6%1.2%
January 202613281.8%5.3%7.6%
February 202612383.7%5.7%6.5%
March 202614977.2%10.7%2.7%
April 202614692.5%5.5%0.0%
May 202614986.6%10.1%0.0%
June 202615480.5%10.4%1.3%

What drove RDU to BWI delay minutes?

Late aircraft was the largest recorded RDU-to-BWI delay category, accounting for 52.6% of 16,484 BTS-attributed delay minutes during July 2025–June 2026.

Airline19.5%
Late aircraft52.6%
National airspace26.2%
Weather1.0%
Security0.7%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.