JFK (New York) to MIA (Miami) flights arrive on time 73% of the time. The most reliable airline on this route is Delta Air Lines at 78%. The average delay is 36 minutes. Delays on this route are most often caused by weather.
Source: Bureau of Transportation Statistics. Updated March 2026.JFK → MIA
JFK (New York) to MIA (Miami)
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JFK → MIA on-time performance by month
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This route is delayed fairly often. About 73% of flights arrive on schedule.
Delays on this route are most often caused by weather.
Delta Air Lines edges out JetBlue Airways on this route — 78% vs 72% on time.
Airline Comparison
Delta Air Lines leads at 78% on time; JetBlue Airways trails at 72%.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.