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

No clear winner: Alaska’s PDX → BOS flights land within a few points of 82% on time whatever the hour.

Best time to leave 7–8 am 85% arrive on time from PDX
Best single flight AS 358 PDX 07:00 → BOS 15:30 · 83% on time Avoid AS 436 PDX 21:56 → BOS 06:20 · 80% 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).

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% 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 358 PDX 07:00 BOS 15:30 83%
AS 436 PDX 21:56 BOS 06:20 80%

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 358 PDX 07:00 BOS 15:30 5h 30m 349 83% 0.9% 40 min
AS 436 PDX 21:56 BOS 06:20 5h 24m 184 80% 0.5% 35 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 PDX BOS 5h 30m 82% 0.8% 533 Flying now

Alternatives with one stop

All connections →
AlaskaDetails → PDX 06:19 → SEA 07:17AS 499 1h 06m Seattle SEA 08:23 → BOS 16:53AS 306 7h 34m 96% 71%
AlaskaDetails → PDX 21:30 → SEA 22:27AS 2421 · flown by Horizon 51m Seattle SEA 23:18 → BOS 07:40 +1AS 536 7h 10m 79% 61%
AlaskaDetails → PDX 08:19 → SEA 09:14AS 2108 · flown by Horizon 59m Seattle SEA 10:13 → BOS 18:41AS 219 7h 22m 91% 52%
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