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

Leave before 9 am: 83% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 12–1 pm 86% arrive on time from CLE
Best single flight F9 3231 CLE 09:00 → LAS 10:32 · 76% on time Avoid F9 1821 CLE 21:43 → LAS 23:16 · 75% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
CLE
83
83
66
82
77
72
73
63
71
78
% 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.
Southwest 365 81% 0.5% 58 min
Frontier 623 75% 1.9% 89 min
American 2 – 0.0% –
Delta 1 – 0.0% –

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.
F9 3231 CLE 09:00 LAS 10:32 76%
F9 1821 CLE 21:43 LAS 23:16 75%
All 3 flights on this route →

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.
Southwest CLE LAS 4h 40m 81% 0.5% 365 Flying now
Frontier CLE LAS 4h 35m 75% 1.9% 623 Flying now
American CLE LAS – 100%few flights 0.0% 2 Not flying now
Delta CLE LAS – 100%few flights 0.0% 1 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