2,805 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 63%.

Best time to leave 9–10 am 84% arrive on time from ORD

Best single flight UA 1994 ORD 09:00 → PDX 11:38 · 85% on time Avoid AS 325 ORD 14:12 → PDX 16:47 · 72% 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).

ORD

% 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

Portland flights leaving ORD 2–3 pm: 1Close ×


AS 325	ORD 14:12	PDX 16:47	4h 35m	351	72%	1.1%	61 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	1,404	74%	0.6%	65 min
Alaska	506	74%	1.2%	60 min
American	895	62%	1.0%	76 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.


UA 1994	ORD 09:00	PDX 11:38	85%
AS 413	ORD 07:20	PDX 09:45	79%
AS 325	ORD 14:12	PDX 16:47	72%

All 14 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	ORD	PDX	4h 32m	74%	0.6%	1,404	Flying now
Alaska	ORD	PDX	4h 35m	74%	1.2%	506	Flying now
American	ORD	PDX	4h 31m	62%	1.0%	895	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