Delta Air Lines MIA to RDU on-time performance
Delta Air Lines nonstop flights from Miami to Raleigh/Durham · Aug 2025 – Jul 2026
On-time arrivals
65%
arrived < 15 min late
Cancelled
2.5%
9 flights
Avg arrival delay
33 min
91 min when late
Rank on route
#4 of 5
route average 71% on time
Key facts
- Delta Air Lines flights on MIA to RDU arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 2.5% were cancelled, and 18% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (65%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft65%
- Airline (crew, maintenance, cleaning, fueling)13%
- Extreme weather13%
- Air traffic control & airport congestion9%
- Security0%
Other airlines on MIA to RDU
- American Airlines71% on time · 22 min avg delay
- Frontier Airlines75% on time · 16 min avg delay
- Envoy Air79% on time · 13 min avg delay
- Republic Airways64% on time · 30 min avg delay
Full MIA to RDU comparison →
Delta Air Lines on-time record across all routes →
360 Delta Air Lines flights tracked on this route; 9 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.