ON TIMEBOARD

LAS → CVG on time

Las Vegas Harry Reid (Las Vegas, NV) to Cincinnati Northern Kentucky (Cincinnati, OH). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
1.5%
681 flights
Typical arrival
−8 min
median vs schedule
When late
+68 min
average delay
Flights / day
2
3 airlines

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.

Share of all 681 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines35688%0.8%−10 min3.9%+50 minDelta Air Lines
Frontier Airlines21669%2.8%−7 min8.3%+73 minFrontier Airlines
Allegiant Air10979%0.9%−6 min7.3%+90 minAllegiant 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.

40%70%100%8 a.m. departures: too few flights (28 flights)8a9 a.m. departures: too few flights (32 flights)9a10 a.m. departures: too few flights (26 flights)10a11 a.m. departures: too few flights11anoon departures: too few flights (56 flights)12p1 p.m. departures: too few flights (49 flights)1p2 p.m. departures: too few flights (3 flights)2p3 p.m. departures: too few flights (18 flights)3p4 p.m. departures: too few flights (8 flights)4p5 p.m. departures: too few flights (37 flights)5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: too few flights9p10 p.m. departures: 89% on time (239 flights)8910p11 p.m. departures: 77% on time (177 flights)7711p
LAS → CVG, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsDelta 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%).

40%70%100%Jan: 78% on time (154 flights)78JanFeb: 78% on time (159 flights)78FebMar: 77% on time (205 flights)77MarApr: 81% on time (173 flights)81AprMay: 84% on time (177 flights)84MayJun: 77% on time (170 flights)77JunJul: 68% on time (173 flights)68JulAug: 79% on time (175 flights)79AugSep: 82% on time (174 flights)82SepOct: 81% on time (207 flights)81OctNov: 86% on time (175 flights)86NovDec: 83% on time (171 flights)83Dec

By day of week

DayFlightsOn timeCancelled
Monday94——
Tuesday58——
Wednesday59——
Thursday15080%0.7%
Friday10275%2.0%
Saturday64——
Sunday15475%1.3%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 45%Late inbound plane 38%Air traffic & airport (NAS) 11%Severe weather 5%

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.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
F9 34121:24 p.m.17468%2.9%−5 minFrontier Airlines
DL 279410:15 p.m.17690%0.6%−9 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Dec 14, 202530%0
Jun 7, 2026333%0
Aug 16, 2026333%0
Dec 4, 2025333%0
Oct 9, 2025333%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

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.