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Showing Alaska only (incl. its regional partners)All airlines ×
1,656 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 7 in 10.

Best time to leave 1–2 pm 87% arrive on time from JFK
Best airport pair EWR → SFO 79% on time, fewest cancelled (1.1%), 548 flights
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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
JFK
83
84
90
75
62
65
EWR
89
75
73
% 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 7 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 364 EWR 08:30 SFO 11:58 6h 28m 28 89% 0.0% 99 min
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 217 EWR 17:58 SFO 21:27 6h 29m 28 57% 0.0% 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 EWR SFO 6h 29m 79% 1.1% 548 Flying now
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