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

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

No clear winner: Alaska’s PIT → SEA flights land within a few points of 3 in 4 on time whatever the hour.

Best time to leave 7–8 am 90% arrive on time from PIT

Best single flight AS 412 PIT 18:10 → SEA 20:30 · 69% 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).

PIT

% 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 412	PIT 18:10	SEA 20:30	69%

All 3 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 568	PIT 07:00	SEA 09:22	5h 22m	28	96%	0.0%	42 min
AS 78	PIT 07:30	SEA 09:49	5h 19m	51	90%	0.0%	46 min
AS 412	PIT 18:10	SEA 20:30	5h 20m	309	69%	1.0%	53 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	PIT	SEA	5h 22m	74%	1.1%	470	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