Las Vegas (LAS) to Cincinnati (CVG): On-Time Performance
Data through July 2026
When you fly LAS to CVG matters as much as anything else about the booking: the route swung from 93% on-time in August 2025 to just 62% in July 2024. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 1.8
- last 12 months
- Duration
- 3h 46m
- scheduled
- Distance
- 1,678 mi
Best airline from LAS to CVG
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 85% | 8 min | 1.2% | 741 |
| Allegiant Air | 77% | 27 min | 0.4% | 223 |
| Frontier Airlines | 69% | 27 min | 2.2% | 464 |
Monthly on-time trend
Best time to fly from LAS to CVG
Aim for departures around 10 p.m. (85% on-time); avoid 1 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 18 min |
| Tuesdaybest | 92% | 3 min |
| Wednesday | 87% | 7 min |
| Thursday | 76% | 21 min |
| Friday | 76% | 24 min |
| Saturday | 88% | 8 min |
| Sunday | 73% | 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 aircraft40%
- Airline operations37%
- National airspace system11%
- Weather12%
Frequently asked questions
- How often are flights from LAS to CVG delayed?
- 21% of LAS–CVG flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from LAS to CVG?
- Delta Air Lines has the best on-time record on this route at 85%, based on 741 flights. 3 airlines flew LAS–CVG frequently enough to compare in this period.
- What is the best time of day to fly from LAS to CVG?
- Departures around 10 p.m. have the best record (85% on-time), while departures around 1 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to CVG?
- The scheduled LAS–CVG flight time averages 3h 46m over 1,678 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are LAS to CVG flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to CVG?
- July 2024 was the roughest month in this dataset, with only 62% of arrivals on time. The best was August 2025 at 93%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 1,428 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.