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WanderNerd

Route Reliability

Portland → Philadelphia

PDXPHL · 2,406 miles · Portland International Airport to Philadelphia International Airport

81
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
3 min early
Average arrival delay
3.6%
Cancelled
140
Flights in the data

Data through May 2026.

Airlines on this route

  • American Airlines87% on time · 121 flights
  • Alaska Airlines90% 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–PHL flights departing between 6–9 AM arrived on time 90% of the time, versus 82% between 12–3 PM.

Wednesdays have been rough.

PDX–PHL flights arrived on time 100% of the time on Tuesdays and just 69% on Wednesdays. That gap is worth planning around.

Keep a backup plan handy.

This route was cancelled 3.6% of the time. Typical for U.S. flights is around 1–2%.

Flights on this route

The breakdown

On-time by weekday
  • Mon82%(17 flights)
  • Tue100%(17 flights)
  • Wed69%(16 flights)
  • Thu95%(20 flights)
  • Fri82%(22 flights)
  • Sat86%(21 flights)
  • Sun96%(22 flights)
On-time by departure window
  • 6–9 AM90%(19 flights)
  • 12–3 PM82%(11 flights)
  • 9 PM–12 AM88%(105 flights)
On-time trend by month
85%
May

Jun 84% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%25
July 202586%28
August 202593%30
May 202685%40

Based on 140 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.