Route Reliability
Portland → Baltimore
PDX–BWI · 2,358 miles · Portland International Airport to Baltimore/Washington International Thurgood Marshall Airport
- 83%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0%
- Cancelled
- 138
- Flights in the data
Data through May 2026.
Airlines on this route
- Southwest Airlines81% on time · 119 flights
- Alaska Airlines95% on time · 19 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
PDX–BWI flights departing between 6–9 AM arrived on time 95% of the time, versus 81% between 9 PM–12 AM.
Sunday scaries are real for this one.
PDX–BWI flights arrived on time 95% of the time on Saturdays and just 75% on Sundays. That gap is worth planning around.
It basically never cancels.
Out of 138 scheduled flights, only 0.0% were cancelled.
Flights on this route
The breakdown
- Mon84%(19 flights)
- Tue95%(19 flights)
- Wed75%(20 flights)
- Thu80%(20 flights)
- Fri75%(20 flights)
- Sat95%(20 flights)
- Sun75%(20 flights)
- 6–9 AM95%(19 flights)
- 9 PM–12 AM81%(119 flights)
Jun 85% → May 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 26 |
| July 2025 | 71% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 83% | 30 |
| May 2026 | 95% | 19 |
Same trip, other airports
Keep nerding
Based on 138 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.