FlightRecord

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

Data through July 2026

Portland (PDX) to Baltimore (BWI) 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, 82% arrived on time.

On-time
82%
arrived <15 min late
Avg delay
10 min
completed flights
Cancelled
1.2%
Flights/day
0.55
last 12 months
Duration
5h 3m
scheduled
Distance
2,358 mi

Best airline from PDX to BWI

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

AirlineOn-timeAvg delayCancelledFlights
Alaska Airlinesmost reliable93%3 min0.0%80
Spirit Airlines82%18 min4.7%85
Southwest Airlines78%10 min0.0%177

Monthly on-time trend

Monthly on-time percentage for PDX to BWI flights50%75%100%July 2024: 86% on-time (32 flights)86Jul 2024August 2024: 77% on-time (31 flights)77September 2024: 77% on-time (17 flights)77October 2024: 100% on-time (5 flights)100Oct 2024June 2025: 85% on-time (26 flights)85July 2025: 71% on-time (31 flights)71August 2025: 84% on-time (31 flights)84Aug 2025September 2025: 80% on-time (30 flights)80October 2025: 100% on-time (1 flights)100May 2026: 90% on-time (19 flights)90May 2026June 2026: 81% on-time (57 flights)81July 2026: 87% on-time (62 flights)87

Best time to fly from PDX to BWI

Aim for departures around 7 a.m. (93% on-time); avoid 1 p.m. departures (74%).

On-time percentage by scheduled departure hour, PDX to BWI6 a.m.: 85% on-time (40 flights)67 a.m.: 93% on-time (80 flights)71 p.m.: 74% on-time (35 flights)139 p.m.: 78% on-time (178 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday82%19 min
Tuesdaybest90%8 min
Wednesday76%8 min
Thursday84%8 min
Friday80%10 min
Saturday78%14 min
Sunday84%7 min

What causes delays on this route

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

  • Late-arriving aircraft52%
  • Airline operations42%
  • National airspace system6%

Frequently asked questions

How often are flights from PDX to BWI delayed?
18% of PDX–BWI 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 10 minutes.
Which airline is most reliable from PDX to BWI?
Alaska Airlines has the best on-time record on this route at 93%, based on 80 flights. 3 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 7 a.m. have the best record (93% on-time), while departures around 1 p.m. have the worst (74%). 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 3m over 2,358 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
How often are PDX to BWI flights cancelled?
1.2% 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 PDX to BWI?
Tuesday flights have the best record at 90% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 76%.

Based on 342 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.