Historical on-time performance
Des Moines to Las Vegas
Flights on DSM–LAS arrive on time 84% of the time over the last 12 months.
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time84%Medianon timep9030 minCancel0.6%Flights337
Why flights run late
Delay causes
- Airline28%
- Weather10%
- Air traffic (NAS)20%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 2 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 DSM → LAS
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 70% to 85% on time.
- Middays85% on time · p90 20 min · 950 flights
- Mornings83% on time · p90 30 min · 217 flights
- Afternoons70% on time · p90 60 min · 451 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 85% on time.
- Wednesdays85% on time · p90 20 min · 175 flights · limited
- Tuesdays84% on time · p90 30 min · 148 flights · limited
- Saturdays83% on time · p90 20 min · 166 flights · limited
- Mondays81% on time · p90 50 min · 294 flights
- Fridays79% on time · p90 35 min · 298 flights
- Sundays77% on time · p90 35 min · 311 flights
- Thursdays74% on time · p90 50 min · 295 flights
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