1,588 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 pm 86% arrive on time from SEA

Best single flight AS 61 SEA 07:08 → JNU 08:44 · 86% on time Avoid AS 71 SEA 21:23 → JNU 22:55 · 72% 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

Juneau flights leaving SEA 11 am–12 pm: 2Close ×


AS 95	SEA 11:20	JNU 12:55	2h 35m	147	85%	0.7%	55 min
AS 209	SEA 11:24	JNU 12:56	2h 32m	52	75%	1.9%	76 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Alaska	1,447	80%	1.2%	52 min
Delta	141	–	0.7%	46 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.


AS 61	SEA 07:08	JNU 08:44	86%
AS 71	SEA 21:23	JNU 22:55	72%

All 11 flights on this route →

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	JNU	2h 34m	83%	0.7%	141	Flying now
Alaska	SEA	JNU	2h 35m	80%	1.2%	1,447	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