Historical on-time performance
Oklahoma City to Las Vegas
987 miData through May 2026Source: US DOT · BTS
Flights on OKC–LAS arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 1,061 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.6%Flights1,061
Why flights run late
Delay causes
- Airline24%
- Weather3%
- Air traffic (NAS)16%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 OKC → 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 — 93% on time.
- Mornings93% on time · p90 5 min · 998 flights
- Middays84% on time · p90 25 min · 927 flights
- Afternoons70% on time · p90 50 min · 361 flights
- Overnights70% on time · p90 55 min · 336 flights
- Evenings70% on time · p90 50 min · 845 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Wednesdays86% on time · p90 20 min · 422 flights
- Saturdays86% on time · p90 25 min · 402 flights
- Tuesdays84% on time · p90 25 min · 433 flights
- Mondays79% on time · p90 35 min · 497 flights
- Sundays78% on time · p90 40 min · 636 flights
- Fridays77% on time · p90 40 min · 498 flights
- Thursdays77% on time · p90 35 min · 579 flights
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