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).

DEN

% 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

Fort Myers flights leaving DEN 2–3 pm: 1Close ×


WN 957	DEN 14:25	RSW 20:10	3h 45m	26	58%	0.0%	55 min

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 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.


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