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

Chicago, IL (MDW) to Raleigh/Durham, NC (RDU) flight delay odds

79.1% of 987 official scheduled MDW-to-RDU flights arrived on time; 10.8% arrived at least 30 minutes late and 1.9% 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
79.1%arrived on time
10.8%30+ min late
1.9%cancelled
987scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+6.7 mincompleted flights

Which departure time was most reliable for MDW to RDU?

Among qualifying MDW-to-RDU departure window results, Early morning had the highest on-time rate: 88.9% of 153 flights. Evening was lowest at 69.6% across 372 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning15388.9%6.5%0.7%
Late morning18687.6%4.3%1.6%
Afternoon27580.7%8.0%1.5%
Evening37269.6%18.0%3.0%

Which weekday was most reliable for MDW to RDU?

Among qualifying MDW-to-RDU weekday results, Thursday had the highest on-time rate: 83.7% of 147 flights. Sunday was lowest at 71.7% across 159 flights.

DayFlightsOn time30+ minCancelled
Monday14775.5%10.9%2.7%
Tuesday13982.7%10.1%0.0%
Wednesday13583.0%10.4%0.7%
Thursday14783.7%6.1%0.7%
Friday14682.9%8.2%2.1%
Saturday11474.6%13.2%5.3%
Sunday15971.7%17.0%2.5%

Which airline was most reliable for MDW to RDU?

Only Southwest Airlines met the MDW-to-RDU airline threshold: 79.1% of 987 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines98779.1%10.8%1.9%

Which month was most reliable for MDW to RDU?

Among qualifying MDW-to-RDU month results, September 2025 had the highest on-time rate: 90.0% of 90 flights. June 2026 was lowest at 67.0% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 202511967.2%20.2%1.7%
August 20259380.6%12.9%1.1%
September 20259090.0%5.6%0.0%
October 20258085.0%6.2%0.0%
November 20258585.9%4.7%3.5%
December 20258977.5%11.2%0.0%
January 20266783.6%1.5%9.0%
February 20265687.5%3.6%1.8%
March 20266671.2%15.2%4.5%
April 20267478.4%10.8%2.7%
May 20268082.5%10.0%0.0%
June 20268867.0%20.5%1.1%

What drove MDW to RDU delay minutes?

Late aircraft was the largest recorded MDW-to-RDU delay category, accounting for 55.2% of 11,116 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.3%
Late aircraft55.2%
National airspace13.9%
Weather1.4%
Security0.2%
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.