The nonstop is quickest: United IAD → PDX (5h 42m), on time 3 times in 4. United via Denver (9h 58m) is more reliable, 88%, but takes 4h 16m longer.
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).
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 | 291 | 76% | 0.7% | 79 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 780 | IAD 17:40 | PDX 20:19 | 72% |
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 | IAD | PDX | 5h 42m | 76% | 0.7% | 291 | Flying now |
Alternatives with one stop
All connections →| UnitedDetails → | IAD 10:13 → DEN 12:05UA 1865 | 1h 22m Denver | DEN 13:27 → PDX 15:13UA 2455 | 8h 00m | 96% | 87% |
| UnitedDetails → | IAD 06:30 → IAH 08:39UA 1935 | 51m Houston | IAH 09:30 → PDX 11:56UA 740 | 8h 26m | 100% | 86% |
| AlaskaDetails → | IAD 09:30 → SEA 12:16AS 361 | 1h 29m Seattle | SEA 13:45 → PDX 14:48AS 3204 · flown by SkyWest | 8h 18m | 96% | 83% |
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