Historical on-time performance
Salt Lake City to Las Vegas
Flights on SLC–LAS arrive on time 78% of the time over the last 12 months.
based on 3,603 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-time80%Medianon timep9035 minCancel0.6%Flights1,712
- Frontier AirlinesOn-time78%Medianon timep9055 minCancel1.1%Flights449
- Southwest AirlinesOn-time75%Medianon timep9035 minCancel0.5%Flights1,442
Why flights run late
Delay causes
- Airline32%
- Weather4%
- Air traffic (NAS)28%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline73%
- Weather14%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 22 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 → LAS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 2,702 flights
- Middays76% on time · p90 40 min · 2,703 flights
- Overnights72% on time · p90 50 min · 2,522 flights
- Afternoons70% on time · p90 55 min · 2,567 flights
- Evenings69% on time · p90 55 min · 2,018 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 84% on time.
- Saturdays84% on time · p90 25 min · 1,487 flights
- Tuesdays83% on time · p90 25 min · 1,703 flights
- Wednesdays82% on time · p90 30 min · 1,695 flights
- Mondays75% on time · p90 45 min · 1,921 flights
- Sundays73% on time · p90 50 min · 1,830 flights
- Thursdays71% on time · p90 55 min · 1,928 flights
- Fridays68% on time · p90 60 min · 1,948 flights
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