Route Reliability
Raleigh–Durham → Miami
RDU–MIA · 700 miles · Raleigh–Durham International Airport to Miami International Airport
- 77%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 1.8%
- Cancelled
- 2,389
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines79%376 flights
- 2.American Airlines77%1,838 flights
- 3.Frontier Airlines69%175 flights
What the data says
Morning-you made the right choice.
RDU–MIA flights departing between 3–6 AM arrived on time 96% of the time, versus 36% between 9 PM–12 AM.
Sunday scaries are real for this one.
RDU–MIA flights arrived on time 82% of the time on Thursdays. On Sundays: 72%.
Delta Air Lines runs this route best.
Delta Air Lines arrived on time 79% of the time on this route; Frontier Airlines managed 69%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(350 flights)
- Tue79%(303 flights)
- Wed79%(293 flights)
- Thu82%(349 flights)
- Fri73%(361 flights)
- Sat75%(328 flights)
- Sun72%(358 flights)
- 3–6 AM96%(46 flights)
- 6–9 AM86%(987 flights)
- 9 AM–12 PM79%(405 flights)
- 12–3 PM71%(156 flights)
- 3–6 PM60%(256 flights)
- 6–9 PM65%(478 flights)
- 9 PM–12 AM36%(14 flights)
Jun 76% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 215 |
| July 2025 | 69% | 218 |
| August 2025 | 71% | 195 |
| September 2025 | 83% | 179 |
| October 2025 | 78% | 193 |
| November 2025 | 77% | 183 |
| December 2025 | 77% | 200 |
| January 2026 | 77% | 187 |
| February 2026 | 76% | 179 |
| March 2026 | 76% | 195 |
| April 2026 | 83% | 195 |
| May 2026 | 78% | 203 |
Same trip, other airports
Keep nerding
Based on 2,389 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.