Historical on-time performance
Miami to Salt Lake City
2,088 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–SLC arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 655 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time67%Medianon timep9060 minCancel0.0%Flights336
- American AirlinesbestOn-time78%Medianon timep9035 minCancel1.3%Flights319
Why flights run late
Delay causes
- Airline52%
- Weather4%
- Air traffic (NAS)17%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MIA → SLC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 25 min · 522 flights
- Evenings69% on time · p90 65 min · 1,109 flights
- Afternoons64% on time · p90 55 min · 61 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 84% on time.
- Tuesdays84% on time · p90 25 min · 247 flights
- Thursdays78% on time · p90 40 min · 250 flights
- Fridays74% on time · p90 35 min · 249 flights
- Wednesdays73% on time · p90 55 min · 249 flights
- Mondays72% on time · p90 45 min · 254 flights
- Saturdays70% on time · p90 70 min · 250 flights
- Sundays66% on time · p90 80 min · 253 flights
Advertisement
Keep exploring