2,264 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 77%.

Best time to leave 6–7 am 94% arrive on time from SEA

Best single flight AS 298 SEA 08:25 → EWR 16:56 · 90% on time Avoid AS 477 SEA 10:05 → EWR 18:29 · 76% 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

Newark flights leaving SEA 10–11 am: 1Close ×


AS 477	SEA 10:05	EWR 18:29	5h 24m	343	76%	2.9%	59 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.


United	996	84%	1.6%	97 min
Alaska	1,268	83%	2.2%	55 min

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 298	SEA 08:25	EWR 16:56	90%
AS 314	SEA 22:40	EWR 06:59	86%
UA 341	SEA 13:05	EWR 21:29	82%
AS 477	SEA 10:05	EWR 18:29	76%

All 12 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.


United	SEA	EWR	5h 21m	84%	1.6%	996	Flying now
Alaska	SEA	EWR	5h 26m	83%	2.2%	1,268	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