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Showing Delta only (incl. its regional partners)All airlines ×
1,583 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 82%.

Best time to leave 5–6 am 97% arrive on time from SMF
Best single flight DL 1526 SMF 05:30 → SLC 08:11 · 97% on time Avoid DL 1342 SMF 17:00 → SLC 19:43 · 83% 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.
DL 1526 SMF 05:30 SLC 08:11 97%
DL 1367 SMF 09:45 SLC 12:26 92%
DL 1423 SMF 13:30 SLC 16:12 88%
DL 1342 SMF 17:00 SLC 19:43 83%

All 5 Delta 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.
DL 1526 SMF 05:30 SLC 08:11 1h 41m 365 97% 0.8% 175 min
DL 1367 SMF 09:45 SLC 12:26 1h 41m 332 92% 0.9% 81 min
DL 1423 SMF 13:30 SLC 16:12 1h 42m 358 88% 0.3% 60 min
DL 1342 SMF 17:00 SLC 19:43 1h 42m 347 83% 2.0% 82 min
DL 2585 SMF 19:20 SLC 22:02 1h 42m 67 91% 4.5% 226 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.
Delta SMF SLC 1h 42m 90% 1.1% 1,583 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