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4,559 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 5–6 am 97% arrive on time from SMF
Best single flight DL 4125 SMF 13:00 → SEA 15:16 · 93% on time Avoid AS 1365 SMF 12:44 → SEA 14:48 · 86% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
SMF
95
95
95
87
84
93
87
83
84
74
51
85
78
87
79
75
73
% 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 (incl. SkyWest) 1,634 89% 0.2% 61 min
Alaska (incl. SkyWest, Horizon) 1,786 81% 0.7% 48 min
Southwest 1,139 79% 0.2% 43 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 4125flown by SkyWest SMF 13:00 SEA 15:16 93%
DL 3881flown by SkyWest SMF 11:34 SEA 13:45 90%
DL 4075flown by SkyWest SMF 07:52 SEA 10:05 89%
AS 1365 SMF 12:44 SEA 14:48 86%

All 23 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.
WN 4920 SMF 05:00 SEA 06:55 1h 55m 57 95% 0.0% 22 min
AS 1409 SMF 06:13 SEA 08:16 2h 03m 51 100% 0.0% –
AS 766 SMF 07:00 SEA 09:06 2h 06m 28 93% 0.0% 19 min
DL 4075flown by SkyWest SMF 07:52 SEA 10:05 2h 13m 349 89% 0.0% 49 min
AS 795 SMF 08:03 SEA 10:09 2h 06m 52 71% 0.0% 77 min
AS 3273flown by SkyWest SMF 10:11 SEA 12:23 2h 12m 16 94% 0.0% 25 min
AS 1468 SMF 10:23 SEA 12:22 1h 59m 52 90% 0.0% 83 min
WN 1739 SMF 11:00 SEA 12:55 1h 55m 26 58% 0.0% 38 min
DL 3881flown by SkyWest SMF 11:34 SEA 13:45 2h 14m 205 90% 0.0% 63 min
AS 1365 SMF 12:44 SEA 14:48 2h 04m 199 86% 0.5% 38 min
AS 1476 SMF 12:57 SEA 14:56 1h 59m 37 68% 0.0% 43 min
DL 4125flown by SkyWest SMF 13:00 SEA 15:16 2h 16m 156 93% 0.0% 120 min
WN 2720 SMF 14:10 SEA 16:05 1h 55m 16 56% 0.0% 46 min
AS 683 SMF 17:08 SEA 19:07 1h 59m 37 60% 2.7% 47 min
AS 2402flown by Horizon SMF 17:14 SEA 19:10 1h 56m 15 53% 0.0% 47 min
DL 4153flown by SkyWest SMF 17:27 SEA 19:39 2h 12m 110 85% 0.0% 55 min
AS 620 SMF 18:56 SEA 21:00 2h 04m 79 77% 0.0% 48 min
WN 555 SMF 19:00 SEA 21:00 2h 00m 34 41% 0.0% 40 min
DL 4043flown by SkyWest SMF 19:41 SEA 22:05 2h 24m 146 81% 0.0% 53 min
AS 1366 SMF 20:20 SEA 22:29 2h 09m 28 82% 0.0% 32 min
AS 403 SMF 20:34 SEA 22:39 2h 05m 44 80% 0.0% 56 min
WN 2250 SMF 21:35 SEA 23:32 1h 58m 16 62% 0.0% 57 min
WN 4985 SMF 21:55 SEA 23:50 1h 55m 33 94% 0.0% 32 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 SMF SEA 2h 14m 89% 0.2% 1,634 Flying now
Alaska SMF SEA 2h 05m 81% 0.7% 1,786 Flying now
Southwest SMF SEA 2h 00m 79% 0.2% 1,139 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