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1,449 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

United is clearly ahead here: 9 in 10 of its flights arrive on time, 10 points better than Southwest.

Best time to leave 5–6 am 93% arrive on time from FAT
Best single flight UA 1774 FAT 05:00 → DEN 08:22 · 93% on time Avoid UA 4764 FAT 12:15 → DEN 15:51 · 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).

5
6
7
8
9
10
11
12
13
FAT
92
90
79
90
77
% 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 (incl. SkyWest) 1,090 91% 0.0% 86 min
Southwest 359 81% 0.0% 58 min

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 1774 FAT 05:00 DEN 08:22 93%
UA 5787flown by SkyWest FAT 09:00 DEN 12:34 91%
UA 4764flown by SkyWest FAT 12:15 DEN 15:51 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 FAT DEN 2h 34m 91% 0.0% 1,090 Flying now
Southwest FAT DEN 2h 15m 81% 0.0% 359 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