Historical on-time performance
Pittsburgh to Las Vegas
1,910 miData through May 2026Source: US DOT · BTS
Flights on PIT–LAS arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 675 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time82%Medianon timep9030 minCancel0.4%Flights675
Why flights run late
Delay causes
- Airline26%
- Weather1%
- Air traffic (NAS)21%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 PIT → 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 — 89% on time.
- Mornings89% on time · p90 15 min · 1,120 flights
- Middays79% on time · p90 30 min · 227 flights
- Overnights74% on time · p90 65 min · 128 flights · limited
- Afternoons71% on time · p90 50 min · 247 flights
- Evenings71% on time · p90 50 min · 854 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 85% on time.
- Tuesdays85% on time · p90 20 min · 338 flights
- Wednesdays84% on time · p90 25 min · 331 flights
- Sundays80% on time · p90 40 min · 407 flights
- Mondays78% on time · p90 40 min · 382 flights
- Fridays78% on time · p90 45 min · 383 flights
- Saturdays77% on time · p90 40 min · 367 flights
- Thursdays77% on time · p90 35 min · 368 flights
Keep exploring