RDU (Raleigh) to MIA (Miami) flights arrive on time 79% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 81 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.RDU → MIA
RDU (Raleigh) to MIA (Miami)
RDU → MIA on-time performance by month
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This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Delta Air Lines is significantly more reliable on this route at 85% on time vs Frontier Airlines at 70%.
Airline Comparison
Delta Air Lines leads at 85% on time; Frontier Airlines trails at 70%.
Accurate?
Good to know
Departing from RDU
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. RDU has long runway queues.
TSA is currently ~14 min. Best time: 4 AM (about 5 min).
Arriving at MIA
76% on timeWhen flights into MIA are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at MIA: TSA is ~8 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.