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

No clear winner: Delta’s ATL → SJC flights land within a few points of 86% on time whatever the hour.

Best time to leave 8–9 am 93% arrive on time from ATL
Best single flight DL 809 ATL 09:40 → SJC 11:36 · 90% on time Avoid DL 2136 ATL 17:08 → SJC 19:07 · 79% 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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ATL
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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 809 ATL 09:40 SJC 11:36 90%
DL 933 ATL 20:59 SJC 22:49 85%
DL 2136 ATL 17:08 SJC 19:07 79%

All 3 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 809 ATL 09:40 SJC 11:36 4h 56m 365 90% 1.1% 50 min
DL 2136 ATL 17:08 SJC 19:07 4h 59m 168 79% 1.2% 66 min
DL 933 ATL 20:59 SJC 22:49 4h 57m 293 85% 1.4% 43 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 ATL SJC 4h 59m 86% 1.3% 901 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