Historical on-time performance
Miami to Las Vegas
Flights on MIA–LAS arrive on time 72% of the time over the last 12 months.
based on 1,338 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- American AirlinesOn-time72%Medianon timep9050 minCancel1.0%Flights1,308
- Spirit AirlinesOn-time57%Median5 minp90125 minCancel0.0%Flights30
Why flights run late
Delay causes
- Airline37%
- Weather4%
- Air traffic (NAS)20%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline8%
- Weather85%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 13 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 MIA → 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 — 83% on time.
- Mornings83% on time · p90 25 min · 1,501 flights
- Evenings64% on time · p90 80 min · 1,613 flights
- Overnights62% on time · p90 80 min · 1,017 flights
- Afternoons61% on time · p90 80 min · 599 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 73% on time.
- Tuesdays73% on time · p90 55 min · 667 flights
- Saturdays72% on time · p90 65 min · 683 flights
- Wednesdays72% on time · p90 50 min · 668 flights
- Fridays69% on time · p90 55 min · 707 flights
- Mondays69% on time · p90 70 min · 703 flights
- Thursdays66% on time · p90 75 min · 696 flights
- Sundays64% on time · p90 70 min · 683 flights
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