4,596 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 73%.

Best time to leave 7–8 am 90% arrive on time from SEA

Best single flight DL 2508 SEA 07:15 → SAN 10:08 · 91% on time Avoid AS 623 SEA 16:47 → SAN 19:38 · 73% 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).

SEA

% 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	1,704	83%	1.0%	55 min
Alaska (incl. SkyWest, Horizon)	2,743	75%	1.1%	46 min
Southwest	149	–	0.0%	43 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 2508	SEA 07:15	SAN 10:08	91%
AS 1367	SEA 07:26	SAN 10:22	91%
DL 2613	SEA 15:25	SAN 18:13	84%
AS 621	SEA 11:59	SAN 15:00	82%
DL 2533	SEA 09:45	SAN 12:38	82%
· · ·
AS 697	SEA 15:02	SAN 17:53	78%
DL 2672	SEA 19:45	SAN 22:38	75%
AS 623	SEA 16:47	SAN 19:38	73%

All 26 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.


AS 1361	SEA 06:21	SAN 09:10	2h 49m	46	89%	2.2%	41 min
AS 664	SEA 06:26	SAN 09:15	2h 49m	16	100%	0.0%	–
DL 2508	SEA 07:15	SAN 10:08	2h 53m	349	91%	0.9%	57 min
AS 1367	SEA 07:26	SAN 10:22	2h 56m	184	91%	1.1%	53 min
AS 1471	SEA 07:26	SAN 10:23	2h 57m	43	72%	0.0%	35 min
AS 650	SEA 09:00	SAN 11:51	2h 51m	227	81%	0.4%	42 min
DL 2533	SEA 09:45	SAN 12:38	2h 53m	339	82%	0.9%	46 min
AS 467	SEA 10:03	SAN 13:01	2h 58m	52	63%	1.9%	38 min
AS 1346	SEA 11:26	SAN 14:18	2h 52m	52	55%	1.9%	43 min
AS 621	SEA 11:59	SAN 15:00	3h 01m	173	82%	0.6%	45 min
DL 2572	SEA 12:05	SAN 15:04	2h 59m	361	82%	1.4%	63 min
AS 765	SEA 13:30	SAN 16:21	2h 51m	209	78%	0.5%	50 min
AS 1432	SEA 14:23	SAN 17:17	2h 54m	45	69%	0.0%	39 min
WN 4910	SEA 14:25	SAN 17:20	2h 55m	34	41%	0.0%	48 min
AS 697	SEA 15:02	SAN 17:53	2h 51m	221	78%	0.9%	41 min
WN 3981	SEA 15:05	SAN 17:50	2h 45m	16	44%	0.0%	37 min
DL 2613	SEA 15:25	SAN 18:13	2h 48m	268	84%	0.7%	58 min
AS 1348	SEA 16:45	SAN 19:36	2h 51m	52	60%	0.0%	59 min
AS 623	SEA 16:47	SAN 19:38	2h 51m	205	73%	1.0%	52 min
AS 1388	SEA 17:53	SAN 20:49	2h 56m	51	45%	0.0%	40 min
AS 336	SEA 19:06	SAN 22:07	3h 01m	48	29%	0.0%	48 min
AS 1424	SEA 19:35	SAN 22:26	2h 51m	59	83%	0.0%	29 min
DL 2672	SEA 19:45	SAN 22:38	2h 53m	359	75%	1.1%	53 min
AS 1398	SEA 20:07	SAN 23:03	2h 56m	33	64%	0.0%	43 min
AS 1472	SEA 21:04	SAN 23:56	2h 52m	34	79%	0.0%	68 min
AS 1369	SEA 21:09	SAN 23:59	2h 50m	113	83%	0.0%	41 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	SEA	SAN	2h 53m	83%	1.0%	1,704	Flying now
Alaska	SEA	SAN	2h 54m	75%	1.1%	2,743	Flying now
Southwest	SEA	SAN	2h 50m	54%	0.0%	149	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