1,033 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s SNA → ATL flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 9–10 pm 96% arrive on time from SNA

Best single flight DL 721 SNA 06:45 → ATL 14:19 · 81% on time Avoid DL 329 SNA 14:00 → ATL 21:27 · 77% 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).

SNA

% 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	1,033	81%	1.1%	96 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 721	SNA 06:45	ATL 14:19	81%
DL 329	SNA 14:00	ATL 21:27	77%

All 4 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 721	SNA 06:45	ATL 14:19	4h 29m	365	81%	1.1%	92 min
DL 1521	SNA 12:18	ATL 19:41	4h 23m	87	85%	1.1%	82 min
DL 2012	SNA 14:00	ATL 21:22	4h 22m	31	77%	0.0%	199 min
DL 329	SNA 14:00	ATL 21:27	4h 27m	237	77%	0.0%	64 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	SNA	ATL	4h 11m	81%	1.1%	1,033	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