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Showing Delta only (incl. its regional partners)All airlines ×
2,167 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s SAN → ATL flights land within a few points of 87% on time whatever the hour.

Best time to leave 6–7 am 92% arrive on time from SAN
Best single flight DL 819 SAN 22:30 → ATL 05:50 · 95% on time Avoid DL 540 SAN 14:18 → ATL 22:00 · 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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SAN
90
% 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 819 SAN 22:30 ATL 05:50 95%
DL 729 SAN 06:15 ATL 13:43 92%
DL 725 SAN 10:43 ATL 18:12 87%
DL 1179 SAN 08:00 ATL 15:28 86%
DL 540 SAN 14:18 ATL 22:00 83%

All 9 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 729 SAN 06:15 ATL 13:43 4h 28m 365 92% 1.1% 51 min
DL 1179 SAN 08:00 ATL 15:28 4h 28m 257 86% 2.3% 97 min
DL 725 SAN 10:43 ATL 18:12 4h 29m 362 87% 0.0% 52 min
DL 924 SAN 12:41 ATL 20:07 4h 26m 31 90% 0.0% 71 min
DL 712 SAN 13:02 ATL 20:35 4h 33m 55 87% 0.0% 50 min
DL 894 SAN 13:50 ATL 21:20 4h 30m 146 87% 0.7% 43 min
DL 540 SAN 14:18 ATL 22:00 4h 42m 181 83% 0.0% 53 min
DL 828 SAN 21:30 ATL 05:01 4h 31m 15 67% 0.0% 213 min
DL 819 SAN 22:30 ATL 05:50 4h 20m 232 95% 1.3% 135 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 SAN ATL 4h 22m 87% 0.7% 2,167 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