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Showing Delta only (incl. its regional partners)All airlines ×
1,591 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 96% depart on time. After 4 pm it’s 82%.

Best time to leave 7–8 am 96% arrive on time from SLC
Best single flight DL 1254 SLC 11:40 → SJC 12:38 · 90% on time Avoid DL 1272 SLC 22:45 → SJC 23:39 · 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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% 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 1254 SLC 11:40 SJC 12:38 90%
DL 1272 SLC 22:45 SJC 23:39 83%

All 6 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 4026flown by SkyWest SLC 07:55 SJC 09:02 2h 07m 55 98% 0.0% 17 min
DL 3982flown by SkyWest SLC 07:55 SJC 08:58 2h 03m 31 94% 0.0% 58 min
DL 1254 SLC 11:40 SJC 12:38 1h 58m 208 90% 0.0% 63 min
DL 1260 SLC 15:11 SJC 16:07 1h 56m 86 90% 0.0% 44 min
DL 3937flown by SkyWest SLC 17:25 SJC 18:30 2h 05m 73 77% 0.0% 96 min
DL 1272 SLC 22:45 SJC 23:39 1h 54m 365 83% 1.1% 87 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 SJC 2h 03m 89% 0.3% 1,591 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