Historical on-time performance
Rochester to Las Vegas
2,040 miData through Dec 2025Source: US DOT · BTS
Flights on ROC–LAS arrive on time 61% of the time over the last 12 months.
On-time rate61%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 184 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time61%Median5 minp9060 minCancel0.5%Flights184
Why flights run late
Delay causes
- Airline42%
- Weather4%
- Air traffic (NAS)13%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ROC → LAS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 25 min · 139 flights · limited
- Evenings58% on time · p90 40 min · 65 flights · limited
- Afternoons52% on time · p90 70 min · 132 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 81% on time.
- Sundays81% on time · p90 20 min · 64 flights · limited
- Thursdays75% on time · p90 55 min · 60 flights · limited
- Mondays69% on time · p90 35 min · 61 flights · limited
- Fridays66% on time · p90 50 min · 62 flights · limited
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