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

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

No clear winner: United’s IAH → PDX flights land within a few points of 83% on time whatever the hour.

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 UA 1420 IAH 20:17 → PDX 22:48 · 79% 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.

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%

All 3 United 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
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

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