1,227 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 4 in 5 on time.

Best time to leave 9–10 am 87% arrive on time from IAH

Best single flight UA 740 IAH 09:30 → PDX 11:56 · 86% on time Avoid AS 1421 IAH 18:19 → PDX 20:50 · 77% 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).

IAH

% 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.

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	874	83%	0.2%	64 min
Alaska	353	77%	1.1%	61 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 740	IAH 09:30	PDX 11:56	86%
UA 1420	IAH 20:17	PDX 22:48	79%
AS 1421	IAH 18:19	PDX 20:50	77%

All 4 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.


UA 740	IAH 09:30	PDX 11:56	4h 26m	365	86%	0.0%	76 min
UA 1964	IAH 16:47	PDX 19:18	4h 31m	89	82%	0.0%	72 min
AS 1421	IAH 18:19	PDX 20:50	4h 31m	352	77%	1.1%	61 min
UA 1420	IAH 20:17	PDX 22:48	4h 31m	350	79%	0.6%	58 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.


United	IAH	PDX	4h 31m	83%	0.2%	874	Flying now
Alaska	IAH	PDX	4h 31m	77%	1.1%	353	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