Showing Alaska only (incl. its regional partners)All airlines ×

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

No clear winner: Alaska’s JNU → SIT flights land within a few points of 85% on time whatever the hour.

Best time to leave 10–11 pm 85% arrive on time from JNU

Best single flight AS 70 JNU 22:18 → SIT 22:59 · 85% on time Avoid AS 62 JNU 09:55 → SIT 10:40 · 84% 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).

JNU

% 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 70	JNU 22:18	SIT 22:59	85%
AS 62	JNU 09:55	SIT 10:40	84%

All 2 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 62	JNU 09:55	SIT 10:40	45m	362	84%	1.1%	74 min
AS 70	JNU 22:18	SIT 22:59	41m	362	85%	3.0%	56 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	JNU	SIT	45m	85%	2.1%	725	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