Portland (PDX) to Baltimore (BWI): On-Time Performance
Data through May 2026
Portland (PDX) to Baltimore (BWI) is a thinner route than most in this dataset — 138 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 0.38
- last 12 months
- Duration
- 5h 6m
- scheduled
- Distance
- 2,358 mi
Best airline from PDX to BWI
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 81% | 23 min | 3.5% | 115 |
| Southwest Airlines | 80% | 9 min | 0.0% | 119 |
Monthly on-time trend
Best time to fly from PDX to BWI
Aim for departures around 6 a.m. (85% on-time); avoid 1 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 28 min |
| Tuesdaybest | 87% | 11 min |
| Wednesday | 76% | 9 min |
| Thursday | 84% | 8 min |
| Friday | 78% | 12 min |
| Saturday | 84% | 13 min |
| Sunday | 79% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations42%
- National airspace system9%
Frequently asked questions
- How often are flights from PDX to BWI delayed?
- 19% of PDX–BWI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from PDX to BWI?
- Spirit Airlines has the best on-time record on this route at 81%, based on 115 flights. 2 airlines flew PDX–BWI frequently enough to compare in this period.
- What is the best time of day to fly from PDX to BWI?
- Departures around 6 a.m. have the best record (85% on-time), while departures around 1 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PDX to BWI?
- The scheduled PDX–BWI flight time averages 5h 6m over 2,358 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are PDX to BWI flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for PDX to BWI?
- Tuesday flights have the best record at 87% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 76%.
Explore related pages
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Other ways to fly to Baltimore (BWI)
Related guides
Based on 253 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.