Historical on-time performance
San Diego to Miami
2,267 miData through May 2026Source: US DOT · BTS
Flights on SAN–MIA arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 588 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time83%Medianon timep9025 minCancel1.0%Flights588
Why flights run late
Delay causes
- Airline49%
- Weather6%
- Air traffic (NAS)7%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather67%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SAN → MIA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 85% on time.
- Overnights85% on time · p90 25 min · 1,051 flights
- Mornings81% on time · p90 40 min · 331 flights
- Middays76% on time · p90 45 min · 271 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 88% on time.
- Tuesdays88% on time · p90 20 min · 233 flights
- Thursdays85% on time · p90 20 min · 238 flights
- Saturdays84% on time · p90 25 min · 237 flights
- Wednesdays83% on time · p90 30 min · 234 flights
- Mondays82% on time · p90 30 min · 234 flights
- Fridays81% on time · p90 40 min · 238 flights
- Sundays78% on time · p90 30 min · 239 flights
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