2,378 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 86% on time.

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).

SAN

% 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

Atlanta flights leaving SAN 9–10 pm: 1Close ×


DL 828	SAN 21:30	ATL 05:01	4h 31m	15	67%	0.0%	213 min

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	2,167	87%	0.7%	75 min
Alaska	211	79%	0.5%	57 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 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 flights on this route →

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
Alaska	SAN	ATL	4h 31m	79%	0.5%	211	Not 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