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Showing Delta only (incl. its regional partners)All airlines ×
1,696 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 9–10 am 87% arrive on time from SLC
Best single flight DL 1623 SLC 13:20 → DEN 14:56 · 85% on time Avoid DL 1586 SLC 18:30 → DEN 20:02 · 71% 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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SLC
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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 1623 SLC 13:20 DEN 14:56 85%
DL 1553 SLC 10:15 DEN 11:53 84%
DL 1667 SLC 21:05 DEN 22:40 79%
DL 1586 SLC 18:30 DEN 20:02 71%

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 1317 SLC 07:45 DEN 09:18 1h 33m 86 95% 0.0% 80 min
DL 1553 SLC 10:15 DEN 11:53 1h 38m 324 84% 0.3% 45 min
DL 1623 SLC 13:20 DEN 14:56 1h 36m 360 85% 0.6% 74 min
DL 1586 SLC 18:30 DEN 20:02 1h 34m 342 71% 0.0% 86 min
DL 1667 SLC 21:05 DEN 22:40 1h 35m 272 79% 0.0% 62 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 SLC DEN 1h 35m 81% 0.2% 1,696 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