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Showing Delta only (incl. its regional partners)All airlines ×
2,230 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 8–9 am 96% arrive on time from SLC
Best single flight DL 2874 SLC 07:50 → SEA 09:05 · 93% on time Avoid DL 2817 SLC 15:14 → SEA 16:30 · 77% 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 2874 SLC 07:50 SEA 09:05 93%
DL 2998 SLC 22:45 SEA 23:59 91%
DL 2995 SLC 11:35 SEA 12:52 89%
DL 2921 SLC 13:20 SEA 14:40 85%
DL 871 SLC 17:20 SEA 18:36 82%
· · ·
DL 2817 SLC 15:14 SEA 16:30 77%

All 7 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 2874 SLC 07:50 SEA 09:05 2h 15m 365 93% 0.3% 53 min
DL 2995 SLC 11:35 SEA 12:52 2h 17m 365 89% 0.5% 67 min
DL 2921 SLC 13:20 SEA 14:40 2h 20m 287 85% 0.7% 50 min
DL 2817 SLC 15:14 SEA 16:30 2h 16m 363 77% 0.3% 52 min
DL 871 SLC 17:20 SEA 18:36 2h 16m 332 82% 0.6% 59 min
DL 2016 SLC 20:44 SEA 22:05 2h 21m 86 46% 1.2% 53 min
DL 2998 SLC 22:45 SEA 23:59 2h 14m 268 91% 0.0% 68 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 SEA 2h 17m 84% 0.5% 2,230 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