80% of flights from Las Vegas to Cincinnati arrived on time over the past 12 months. That is about the typical U.S. route. The 10 p.m. departures ran on time 89% of the time; the 11 p.m. ones 77%. Most reliable airline: Delta Air Lines (88%). 8% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAS → CVG: when a flight was late, it was under 45 minutes late 56% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 97 three hours or more; 1.5% were cancelled outright.
- On time or early80%
- 15–30 min late7.2%
- 30–60 min late4.7%
- 1–2 hours late4.4%
- 2–3 hours late0.4%
- 3+ hours late1.0%
- Diverted0.3%
- Cancelled1.5%
Share of all 681 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Delta Air Lines | 356 | 88% | 0.8% | −10 min | 3.9% | +50 min | Delta Air Lines |
| Frontier Airlines | 216 | 69% | 2.8% | −7 min | 8.3% | +73 min | Frontier Airlines |
| Allegiant Air | 109 | 79% | 0.9% | −6 min | 7.3% | +90 min | Allegiant Air |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at LAS). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | Delta Air Lines |
|---|---|
| 10 p.m. | 89% |
| 11 p.m. | 85% |
By month
Each calendar month pooled over 2023–2026. Best: November (86%). Worst: July (68%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 94 | — | — |
| Tuesday | 58 | — | — |
| Wednesday | 59 | — | — |
| Thursday | 150 | 80% | 0.7% |
| Friday | 102 | 75% | 2.0% |
| Saturday | 64 | — | — |
| Sunday | 154 | 75% | 1.3% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 6 · weather 4
Month by month
Not enough months with data to draw a trend.
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| F9 3412 | 1:24 p.m. | 174 | 68% | 2.9% | −5 min | Frontier Airlines |
| DL 2794 | 10:15 p.m. | 176 | 90% | 0.6% | −9 min | Delta Air Lines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Dec 14, 2025 | 3 | 0% | 0 |
| Jun 7, 2026 | 3 | 33% | 0 |
| Aug 16, 2026 | 3 | 33% | 0 |
| Dec 4, 2025 | 3 | 33% | 0 |
| Oct 9, 2025 | 3 | 33% | 0 |
Questions
How often are flights from LAS to CVG on time?
80% of 681 scheduled flights from Las Vegas, NV to Cincinnati, OH arrived within 15 minutes of schedule between September 2025 and August 2026. 1.5% were cancelled.
What is the best time of day to fly LAS to CVG?
Flights scheduled to leave at 10 p.m. were the most reliable (89% on time). The 11 p.m. departures were the least (77%).
Which airline is most on time from LAS to CVG?
Delta Air Lines: 88% of its 356 flights on the route arrived on time. Frontier Airlines: 69%. Allegiant Air: 79%.
What month has the most delays from LAS to CVG?
July (68% on time). The best month is November (86%), over 2023–2026.
Related
- CVG → LAS (return)
- Las Vegas Harry Reid (LAS) delays by hour
- Flights into Cincinnati Northern Kentucky (CVG)
- Delta Air Lines on-time record
- Frontier Airlines on-time record
- Allegiant Air on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.