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1,801 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Delta is clearly ahead here: 94% of its flights arrive on time, 13 points better than Southwest.

Best time to leave 5–6 am 96% arrive on time from SJC
Best single flight DL 1314 SJC 06:00 → SLC 08:55 · 95% on time Avoid DL 1254 SJC 13:40 → SLC 16:33 · 94% 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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SJC
95
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87
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89
% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. SkyWest) 1,589 94% 0.4% 97 min
Southwest 212 81% 0.5% 55 min

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 1314 SJC 06:00 SLC 08:55 95%
DL 1254 SJC 13:40 SLC 16:33 94%

All 7 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 1314 SJC 06:00 SLC 08:55 1h 55m 365 95% 1.6% 124 min
DL 3982flown by SkyWest SJC 09:40 SLC 12:39 1h 59m 31 90% 0.0% 47 min
DL 4026flown by SkyWest SJC 09:45 SLC 12:48 2h 03m 55 95% 0.0% 125 min
DL 1254 SJC 13:40 SLC 16:33 1h 56m 208 94% 0.0% 97 min
WN 3538 SJC 15:35 SLC 18:25 1h 50m 26 46% 0.0% 59 min
DL 1260 SJC 17:01 SLC 19:57 1h 56m 86 94% 0.0% 77 min
DL 3937flown by SkyWest SJC 19:10 SLC 22:07 1h 57m 73 84% 0.0% 107 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 SJC SLC 1h 59m 94% 0.4% 1,589 Flying now
Southwest SJC SLC 1h 50m 81% 0.5% 212 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