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3,474 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 84% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 6–7 am 94% arrive on time from SLC
Best single flight UA 4763 SLC 06:05 → SFO 07:19 · 91% on time Avoid UA 5970 SLC 09:49 → SFO 11:13 · 36% 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).

6
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SLC
84
81
87
71
78
% 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
San Francisco flights leaving SLC 4–5 pm: 2Close ×
UA 1955 SLC 16:21 SFO 17:23 2h 02m 67 58% 0.0% 65 min
F9 3393 SLC 16:56 SFO 18:22 2h 24m 195 69% 2.6% 105 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.

Frontier 195 69% 2.6% 105 min
United (incl. SkyWest) 1,487 68% 0.7% 75 min
Delta (incl. SkyWest) 1,713 65% 1.0% 54 min
Alaska (incl. SkyWest, Horizon) 79 – 3.8% 100 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 4763flown by SkyWest SLC 06:05 SFO 07:19 91%
F9 3393 SLC 16:56 SFO 18:22 69%
DL 920 SLC 07:50 SFO 08:51 67%
DL 1091 SLC 22:50 SFO 23:52 66%
DL 902 SLC 11:00 SFO 12:08 66%
· · ·
DL 1088 SLC 15:10 SFO 16:12 66%
DL 2762 SLC 20:59 SFO 21:59 59%
UA 5970flown by SkyWest SLC 09:49 SFO 11:13 36%
All 10 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.

Frontier SLC SFO 2h 24m 69% 2.6% 195 Flying now
United SLC SFO 2h 16m 68% 0.7% 1,487 Flying now
Delta SLC SFO 2h 06m 65% 1.0% 1,713 Flying now
Alaska SLC SFO 2h 17m 78% 3.8% 79 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