FlightRecord

Baltimore (BWI) to Portland (PDX): On-Time Performance

Data through July 2026

Baltimore (BWI) to Portland (PDX) is a thinner route than most in this dataset — 200 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 72% arrived on time, noticeably below the national average of 78%.

On-time
72%
arrived <15 min late
Avg delay
20 min
completed flights
Cancelled
1.5%
Flights/day
0.55
last 12 months
Duration
5h 38m
scheduled
Distance
2,358 mi

Best airline from BWI to PDX

3 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Alaska Airlinesmost reliable84%14 min0.0%80
Southwest Airlines70%18 min1.1%177
Spirit Airlines65%30 min3.6%83

Monthly on-time trend

Monthly on-time percentage for BWI to PDX flights50%75%100%July 2024: 93% on-time (31 flights)93Jul 2024August 2024: 33% on-time (30 flights)33September 2024: 72% on-time (18 flights)72October 2024: 75% on-time (4 flights)75Oct 2024June 2025: 77% on-time (26 flights)77July 2025: 66% on-time (31 flights)66August 2025: 84% on-time (31 flights)84Aug 2025September 2025: 80% on-time (30 flights)80October 2025: 0% on-time (1 flights)0May 2026: 90% on-time (19 flights)90May 2026June 2026: 72% on-time (57 flights)72July 2026: 68% on-time (62 flights)68

Best time to fly from BWI to PDX

Aim for departures around 4 p.m. (84% on-time); avoid 1 p.m. departures (62%).

On-time percentage by scheduled departure hour, BWI to PDX9 a.m.: 73% on-time (36 flights)911 a.m.: 79% on-time (29 flights)1112 p.m.: 75% on-time (32 flights)121 p.m.: 62% on-time (85 flights)134 p.m.: 84% on-time (81 flights)167 p.m.: 70% on-time (20 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday67%26 min
Tuesday78%12 min
Wednesday77%16 min
Thursday62%25 min
Friday65%25 min
Saturday73%21 min
Sundaybest84%12 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft26%
  • Airline operations32%
  • National airspace system31%
  • Weather11%
  • Security1%

Frequently asked questions

How often are flights from BWI to PDX delayed?
28% of BWI–PDX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
Which airline is most reliable from BWI to PDX?
Alaska Airlines has the best on-time record on this route at 84%, based on 80 flights. 3 airlines flew BWI–PDX frequently enough to compare in this period.
What is the best time of day to fly from BWI to PDX?
Departures around 4 p.m. have the best record (84% on-time), while departures around 1 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BWI to PDX?
The scheduled BWI–PDX flight time averages 5h 38m over 2,358 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
How often are BWI to PDX flights cancelled?
1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What day of the week is most reliable for BWI to PDX?
Sunday flights have the best record at 84% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 62%.

Based on 340 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.