Historical on-time performance
Salt Lake City to Miami
Flights on SLC–MIA arrive on time 83% of the time over the last 12 months.
based on 695 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time86%Medianon timep9015 minCancel0.6%Flights336
- American AirlinesOn-time81%Medianon timep9035 minCancel1.4%Flights359
Why flights run late
Delay causes
- Airline37%
- Weather0%
- Air traffic (NAS)13%
- Late aircraft48%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline29%
- Weather71%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 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 SLC → MIA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Overnights are the most reliable time of day to fly this route — 84% on time.
- Overnights84% on time · p90 25 min · 1,439 flights
- Afternoons73% on time · p90 70 min · 124 flights · limited
- Middays67% on time · p90 75 min · 207 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 87% on time.
- Tuesdays87% on time · p90 20 min · 268 flights
- Wednesdays84% on time · p90 25 min · 271 flights
- Fridays81% on time · p90 30 min · 275 flights
- Thursdays80% on time · p90 30 min · 274 flights
- Mondays80% on time · p90 30 min · 273 flights
- Sundays78% on time · p90 35 min · 276 flights
- Saturdays76% on time · p90 55 min · 275 flights
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