675 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Delta is clearly ahead here: 9 in 10 of its flights arrive on time, 13 points better than Frontier.

Best time to leave 10–11 pm 91% arrive on time from LAS

Best single flight DL 2794 LAS 22:14 → CVG 05:00 · 92% on time Avoid F9 3412 LAS 13:06 → CVG 20:06 · 74% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

LAS

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Delta	356	89%	0.8%	51 min
Frontier	210	76%	2.4%	76 min
Allegiant	109	–	0.9%	100 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


DL 2794	LAS 22:14	CVG 05:00	92%
F9 3412	LAS 13:06	CVG 20:06	74%

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


Delta	LAS	CVG	3h 40m	89%	0.8%	356	Flying now
Frontier	LAS	CVG	4h 00m	76%	2.4%	210	Flying now
Allegiant	LAS	CVG	3h 50m	83%	0.9%	109	Not flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON