Rochester (ROC) to Las Vegas (LAS): On-Time Performance
Data through May 2026
Rochester (ROC) to Las Vegas (LAS) is a thinner route than most in this dataset — 210 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 70% arrived on time, noticeably below the national average of 78%.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 0.58
- last 12 months
- Duration
- 5h 7m
- scheduled
- Distance
- 2,040 mi
Monthly on-time trend
Best time to fly from ROC to LAS
Aim for departures around 6 a.m. (90% on-time); avoid 3 p.m. departures (39%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 17 min |
| Tuesday | 71% | 32 min |
| Wednesday | 68% | 18 min |
| Thursday | 73% | 18 min |
| Friday | 69% | 20 min |
| Saturday | 52% | 25 min |
| Sundaybest | 80% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft32%
- Airline operations46%
- National airspace system20%
- Weather3%
Frequently asked questions
- How often are flights from ROC to LAS delayed?
- 30% of ROC–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 21 minutes.
- What is the best time of day to fly from ROC to LAS?
- Departures around 6 a.m. have the best record (90% on-time), while departures around 3 p.m. have the worst (39%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ROC to LAS?
- The scheduled ROC–LAS flight time averages 5h 7m over 2,040 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are ROC to LAS flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for ROC to LAS?
- Sunday flights have the best record at 80% on-time. Day-of-week differences on this route are meaningful — Saturday trails at 52%.
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Based on 403 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.