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

Miami, FL (MIA) to Raleigh/Durham, NC (RDU) flight delay odds

70.2% of 2,347 official scheduled MIA-to-RDU flights arrived on time; 20.1% arrived at least 30 minutes late and 1.7% 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
70.2%arrived on time
20.1%30+ min late
1.7%cancelled
2,347scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.4%all scheduled flights
120+ minutes late4.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+14.9 mincompleted flights

Which departure time was most reliable for MIA to RDU?

Among qualifying MIA-to-RDU departure window results, Early morning had the highest on-time rate: 85.6% of 348 flights. Night was lowest at 63.1% across 360 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning34885.6%7.5%2.3%
Late morning15385.6%11.1%0.0%
Afternoon71665.8%23.5%1.5%
Evening77067.5%22.7%1.8%
Night36063.1%23.9%1.9%

Which weekday was most reliable for MIA to RDU?

Among qualifying MIA-to-RDU weekday results, Tuesday had the highest on-time rate: 77.3% of 308 flights. Sunday was lowest at 61.1% across 357 flights.

DayFlightsOn time30+ minCancelled
Monday36273.5%17.1%3.3%
Tuesday30877.3%16.2%1.9%
Wednesday29274.3%18.2%0.3%
Thursday34876.4%14.4%0.6%
Friday35764.4%24.9%0.3%
Saturday32365.6%22.6%2.2%
Sunday35761.1%26.6%3.1%

Which airline was most reliable for MIA to RDU?

Among qualifying MIA-to-RDU airline results, Envoy Air had the highest on-time rate: 87.5% of 72 flights. Republic Airways was lowest at 60.0% across 30 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,70070.4%19.8%1.5%
Delta Air Lines36063.1%26.7%2.5%
Frontier Airlines18577.3%15.1%1.6%
Envoy Air7287.5%6.9%1.4%
Republic Airways3060.0%23.3%6.7%

Which month was most reliable for MIA to RDU?

Among qualifying MIA-to-RDU month results, October 2025 had the highest on-time rate: 79.9% of 194 flights. August 2025 was lowest at 58.2% across 196 flights.

MonthFlightsOn time30+ minCancelled
July 202522461.2%29.9%1.8%
August 202519658.2%31.6%1.0%
September 202518078.9%15.6%0.0%
October 202519479.9%15.5%0.5%
November 202518475.0%14.1%0.5%
December 202518869.1%20.2%0.5%
January 202620268.8%12.4%9.4%
February 202618164.6%21.5%0.6%
March 202620467.2%21.1%3.4%
April 202619773.6%18.8%0.5%
May 202620276.2%17.3%0.0%
June 202619571.3%21.5%1.5%

What drove MIA to RDU delay minutes?

Late aircraft was the largest recorded MIA-to-RDU delay category, accounting for 51.2% of 49,990 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.8%
Late aircraft51.2%
National airspace10.6%
Weather7.4%
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.