FlightRecord

Portland (PDX) to Philadelphia (PHL): On-Time Performance

Data through July 2026

Portland (PDX) to Philadelphia (PHL) is a thinner route than most in this dataset — 262 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time. Cancellations are the bigger caveat: 3.2% of scheduled flights never departed.

On-time
82%
arrived <15 min late
Avg delay
13 min
completed flights
Cancelled
3.2%
Flights/day
0.72
last 12 months
Duration
5h 8m
scheduled
Distance
2,406 mi

Best airline from PDX to PHL

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

AirlineOn-timeAvg delayCancelledFlights
Alaska Airlinesmost reliable90%5 min0.0%80
American Airlines80%16 min4.0%298

Monthly on-time trend

Monthly on-time percentage for PDX to PHL flights50%75%100%July 2024: 52% on-time (30 flights)52Jul 2024August 2024: 80% on-time (27 flights)80September 2024: 100% on-time (2 flights)100June 2025: 80% on-time (26 flights)80Jun 2025July 2025: 82% on-time (31 flights)82August 2025: 90% on-time (30 flights)90September 2025: 100% on-time (2 flights)100Sep 2025December 2025: 86% on-time (8 flights)86January 2026: 100% on-time (3 flights)100May 2026: 85% on-time (40 flights)85May 2026June 2026: 87% on-time (87 flights)87July 2026: 83% on-time (92 flights)83

Best time to fly from PDX to PHL

Aim for departures around 7 a.m. (90% on-time); avoid 11 p.m. departures (74%).

On-time percentage by scheduled departure hour, PDX to PHL7 a.m.: 90% on-time (80 flights)712 p.m.: 82% on-time (68 flights)1210 p.m.: 84% on-time (124 flights)2211 p.m.: 74% on-time (105 flights)23scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday87%8 min
Tuesday70%19 min
Wednesday82%23 min
Thursday87%6 min
Friday83%17 min
Saturday73%15 min
Sundaybest92%5 min

What causes delays on this route

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

  • Late-arriving aircraft61%
  • Airline operations19%
  • National airspace system19%
  • Weather2%

Frequently asked questions

How often are flights from PDX to PHL delayed?
18% of PDX–PHL 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 13 minutes.
Which airline is most reliable from PDX to PHL?
Alaska Airlines has the best on-time record on this route at 90%, based on 80 flights. 2 airlines flew PDX–PHL frequently enough to compare in this period.
What is the best time of day to fly from PDX to PHL?
Departures around 7 a.m. have the best record (90% on-time), while departures around 11 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 PHL?
The scheduled PDX–PHL flight time averages 5h 8m over 2,406 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
How often are PDX to PHL flights cancelled?
3.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
What day of the week is most reliable for PDX to PHL?
Sunday flights have the best record at 92% on-time. Day-of-week differences on this route are meaningful — Tuesday trails at 70%.

Based on 378 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.