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

1,108 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Alaska’s JFK → SFO flights land within a few points of 73% on time whatever the hour.

Best time to leave 1–2 pm 87% arrive on time from JFK

Best single flight AS 227 JFK 09:30 → SFO 12:52 · 82% on time Avoid AS 41 JFK 11:30 → SFO 14:50 · 64% 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).

JFK

% 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 227	JFK 09:30	SFO 12:52	82%
AS 41	JFK 11:30	SFO 14:50	64%

All 5 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 227	JFK 09:30	SFO 12:52	6h 22m	349	82%	2.3%	60 min
AS 723	JFK 11:30	SFO 14:58	6h 28m	28	82%	0.0%	41 min
AS 41	JFK 11:30	SFO 14:50	6h 20m	302	64%	3.0%	73 min
AS 29	JFK 18:35	SFO 22:16	6h 41m	28	43%	0.0%	86 min
AS 59	JFK 18:55	SFO 22:33	6h 38m	52	53%	1.9%	108 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	JFK	SFO	6h 34m	73%	2.2%	1,108	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