Best Time to Fly PDX to DCA: On-Time Stats by Hour & Airline
Portland International → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
363 flights were scheduled from Portland (PDX) to Washington (DCA) in the last 12 months, and 85.6% of those that flew arrived on time, 7.9 points above the US average of 77.6%.
Alaska Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (89% on time) and February the worst month (61%).
The cancellation rate was 0.3% (US average 1.8%).
PDX to DCA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 85.6% | 41 min | 0.3% | 363 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PDX to DCA
On-time arrival % by scheduled departure hour (local time), 725 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 90.4% | 0.0% | 148 |
| 8am–9am | 81.3% | 0.3% | 316 |
| 9am–10am | 76.0% | 0.0% | 243 |
| 10am–11am | Limited data | 18 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PDX to DCA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 93.3% | +12.2 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 81.4% | +0.2 pts | 0.0% | 123 |
| All other days | 81.2% | — | 0.2% | 560 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).