MIA delays today: Miami International has an on-time departure rate of about 76%. The FAA airport status for MIA typically shows an average delay of 75 minutes when departures are delayed. The most common reason for departure delays here is the incoming plane arriving late. Roughly 1.7% of flights are cancelled. The typical taxi-out time from gate to takeoff is about 19 minutes. The current TSA wait is about 15-21 minutes. The fastest time through security is 4 AM (about 5 min). The busiest period is 9 PM (26-32 minutes).
Source: BTS, FAA. Updated April 2026.MIA Miami Delays & Airport Status
Miami International(Miami Airport)
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Delay Stats
Full breakdown →76% on timeAvg delay 75 min
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Security Lines
Full details →~18 minBest: 4 AM (about 5 min)
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Departures here are on time most of the time. About 76% of flights leave within 15 minutes of schedule.
The most common reason for departure delays here is the incoming plane arriving late.
Planes often wait a while before takeoff. The typical wait from gate to takeoff is about 19 minutes.
Generally mild weather year-round.
Among major airlines, F9 has the most complaints (23.2/100k) while WN has the fewest (1.5/100k).
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MIA departure performance by month
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Airlines at MIA
On-time departure rate from DOT data
United Airlines78%
Delta Air Lines77%
Republic Airways77%
Spirit Airlines76%
Southwest Airlines76%
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