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

Raleigh/Durham, NC (RDU) to Detroit, MI (DTW) flight delay odds

86.6% of 1,525 official scheduled RDU-to-DTW flights arrived on time; 8.7% arrived at least 30 minutes late and 1.1% 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 SIGNALLower disruption
86.6%arrived on time
8.7%30+ min late
1.1%cancelled
1,525scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.3%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-1.7 mincompleted flights

Which departure time was most reliable for RDU to DTW?

Among qualifying RDU-to-DTW departure window results, Late morning had the highest on-time rate: 92.0% of 350 flights. Evening was lowest at 78.6% across 359 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning37492.0%4.8%1.1%
Late morning35092.0%4.3%1.4%
Afternoon44284.4%10.9%0.9%
Evening35978.6%14.5%1.1%

Which weekday was most reliable for RDU to DTW?

Among qualifying RDU-to-DTW weekday results, Tuesday had the highest on-time rate: 92.3% of 207 flights. Sunday was lowest at 79.8% across 243 flights.

DayFlightsOn time30+ minCancelled
Monday23683.5%10.6%1.3%
Tuesday20792.3%6.8%0.5%
Wednesday20288.1%7.4%1.0%
Thursday23890.3%6.3%0.0%
Friday23387.1%8.2%0.0%
Saturday16686.1%6.6%1.2%
Sunday24379.8%14.0%3.7%

Which airline was most reliable for RDU to DTW?

Among qualifying RDU-to-DTW airline results, Delta Air Lines had the highest on-time rate: 86.8% of 1,337 flights. Spirit Airlines was lowest at 83.1% across 77 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,33786.8%8.6%1.2%
Frontier Airlines11186.5%8.1%0.9%
Spirit Airlines7783.1%11.7%0.0%

Which month was most reliable for RDU to DTW?

Among qualifying RDU-to-DTW month results, October 2025 had the highest on-time rate: 95.7% of 141 flights. December 2025 was lowest at 74.2% across 124 flights.

MonthFlightsOn time30+ minCancelled
July 202514379.7%13.3%0.0%
August 202515183.4%10.6%0.7%
September 202513093.1%6.2%0.0%
October 202514195.7%2.8%0.0%
November 202515089.3%8.0%0.0%
December 202512474.2%20.2%1.6%
January 202610381.6%8.7%5.8%
February 20269990.9%3.0%1.0%
March 202612285.2%12.3%0.8%
April 202612885.9%7.0%2.3%
May 202612187.6%6.6%1.7%
June 202611392.9%4.4%0.9%

What drove RDU to DTW delay minutes?

Late aircraft was the largest recorded RDU-to-DTW delay category, accounting for 51.2% of 14,817 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.6%
Late aircraft51.2%
National airspace18.1%
Weather1.2%
Security0.0%
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.