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1,355 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 86% arrive on time from SFO
Best single flight UA 5220 SFO 08:17 → SMF 09:25 · 83% on time Avoid UA 5796 SFO 17:08 → SMF 18:16 · 78% 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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SFO
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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.

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) 1,355 79% 1.6% 80 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 5220flown by SkyWest SFO 08:17 SMF 09:25 83%
UA 5796flown by SkyWest SFO 17:08 SMF 18:16 78%

All 4 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 5220flown by SkyWest SFO 08:17 SMF 09:25 1h 08m 362 83% 2.5% 77 min
UA 5796flown by SkyWest SFO 17:08 SMF 18:16 1h 08m 358 78% 3.1% 85 min
UA 1302 SFO 22:54 SMF 23:59 1h 05m 61 59% 0.0% 53 min
UA 394 SFO 22:54 SMF 23:59 1h 05m 10 70% 0.0% 51 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 SFO SMF 58m 79% 1.6% 1,355 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