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Showing Alaska only (incl. its regional partners)All airlines ×
1,796 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 85% depart on time. After 4 pm it’s 56%.

Best time to leave 1–2 pm 87% arrive on time from ORD
Best single flight AS 407 ORD 15:43 → SEA 18:22 · 68% on time Avoid AS 337 ORD 17:42 → SEA 20:21 · 49% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ORD
87
95
81
75
88
69
55
51
69
55
% 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.
AS 407 ORD 15:43 SEA 18:22 68%
AS 329 ORD 20:20 SEA 23:04 67%
AS 587 ORD 08:02 SEA 10:37 64%
AS 337 ORD 17:42 SEA 20:21 49%

All 10 Alaska 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 715 ORD 06:00 SEA 08:38 4h 38m 119 81% 0.8% 52 min
AS 515 ORD 07:40 SEA 10:21 4h 41m 28 89% 0.0% 48 min
AS 587 ORD 08:02 SEA 10:37 4h 35m 236 64% 0.4% 75 min
AS 579 ORD 13:01 SEA 15:42 4h 41m 52 86% 1.9% 81 min
AS 407 ORD 15:43 SEA 18:22 4h 39m 358 68% 1.4% 64 min
AS 337 ORD 17:42 SEA 20:21 4h 39m 189 49% 6.3% 68 min
AS 584 ORD 17:44 SEA 20:22 4h 38m 46 61% 0.0% 65 min
AS 583 ORD 18:42 SEA 21:34 4h 52m 35 41% 8.6% 55 min
AS 429 ORD 19:49 SEA 22:30 4h 41m 28 71% 0.0% 54 min
AS 329 ORD 20:20 SEA 23:04 4h 44m 269 67% 1.5% 65 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.
Alaska ORD SEA 4h 40m 68% 1.9% 1,796 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