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Showing United only (incl. its regional partners)All airlines ×
1,793 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: almost all depart on time. After 4 pm it’s 85%.

Best time to leave 9–10 am 99% arrive on time from SMF
Best single flight UA 2285 SMF 08:50 → DEN 12:16 · 98% on time Avoid UA 1841 SMF 18:37 → DEN 21:59 · 82% 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).

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SMF
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% 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.

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 2285 SMF 08:50 DEN 12:16 98%
UA 1889 SMF 05:00 DEN 08:22 97%
UA 566 SMF 16:19 DEN 19:45 87%
UA 1841 SMF 18:37 DEN 21:59 82%

All 6 United 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 1889 SMF 05:00 DEN 08:22 2h 22m 326 97% 0.3% 60 min
UA 2285 SMF 08:50 DEN 12:16 2h 26m 328 98% 0.3% 88 min
UA 1023 SMF 10:50 DEN 14:17 2h 27m 72 93% 1.4% 96 min
UA 1961 SMF 13:00 DEN 16:26 2h 26m 129 85% 0.0% 107 min
UA 566 SMF 16:19 DEN 19:45 2h 26m 278 87% 0.0% 60 min
UA 1841 SMF 18:37 DEN 21:59 2h 22m 217 82% 1.4% 87 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 SMF DEN 2h 25m 90% 0.5% 1,793 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