Historical on-time performance
Las Vegas to Dallas
1,067 miData through May 2026Source: US DOT · BTS
Flights on LAS–DAL arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 2,877 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time71%Medianon timep9045 minCancel1.6%Flights2,877
Why flights run late
Delay causes
- Airline34%
- Weather3%
- Air traffic (NAS)19%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline30%
- Weather52%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 46 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 LAS → DAL
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 — 89% on time.
- Mornings89% on time · p90 10 min · 3,401 flights
- Middays69% on time · p90 40 min · 1,935 flights
- Afternoons62% on time · p90 60 min · 1,736 flights
- Evenings60% on time · p90 70 min · 1,778 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 81% on time.
- Saturdays81% on time · p90 25 min · 923 flights
- Wednesdays80% on time · p90 25 min · 1,253 flights
- Tuesdays80% on time · p90 30 min · 1,249 flights
- Fridays71% on time · p90 55 min · 1,361 flights
- Mondays70% on time · p90 45 min · 1,346 flights
- Thursdays69% on time · p90 50 min · 1,349 flights
- Sundays67% on time · p90 50 min · 1,369 flights
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