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3,845 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 96% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 5–6 am 96% arrive on time from SMF
Best single flight UA 2285 SMF 08:50 → DEN 12:16 · 98% on time Avoid F9 3666 SMF 11:25 → DEN 14:58 · 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).

5
6
7
8
9
10
11
12
13
14
15
16
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18
19
20
SMF
97
95
95
96
91
86
85
76
74
63
65
76
80
69
73
% 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
Denver flights leaving SMF 8–9 am: 1Close ×
UA 2285 SMF 08:50 DEN 12:16 2h 26m 328 98% 0.3% 88 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 1,793 90% 0.5% 72 min
Frontier 183 82% 0.0% 83 min
Southwest 1,869 79% 0.2% 47 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 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%
F9 3666 SMF 11:25 DEN 14:58 82%
All 17 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 SMF DEN 2h 25m 90% 0.5% 1,793 Flying now
Frontier SMF DEN 2h 31m 82% 0.0% 183 Flying now
Southwest SMF DEN 2h 20m 79% 0.2% 1,869 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