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1,153 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

United is clearly ahead here: 85% of its flights arrive on time, 16 points better than Southwest.

Best time to leave 9–10 am 88% arrive on time from DEN
Best single flight UA 2601 DEN 09:35 → RSW 15:22 · 90% 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).

9
10
11
12
13
14
15
16
17
DEN
92
75
75
79
53
80
88
% 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.
United 781 85% 0.0% 57 min
Southwest 314 69% 0.3% 66 min
Frontier 58 – 1.7% 58 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.
UA 2601 DEN 09:35 RSW 15:22 90%

All 5 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
UA 1342 DEN 09:35 RSW 15:22 3h 47m 24 83% 0.0% 41 min
UA 2601 DEN 09:35 RSW 15:22 3h 47m 255 90% 0.0% 43 min
WN 4334 DEN 11:55 RSW 17:45 3h 50m 24 67% 0.0% 53 min
WN 957 DEN 14:25 RSW 20:10 3h 45m 26 58% 0.0% 55 min
UA 2348 DEN 16:04 RSW 21:50 3h 46m 54 72% 0.0% 56 min

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.
United DEN RSW 3h 44m 85% 0.0% 781 Flying now
Southwest DEN RSW 3h 35m 69% 0.3% 314 Flying now
Frontier DEN RSW 3h 44m 77% 1.7% 58 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