EWR to PDX flight delays & on-time performance
Nonstop flights from Newark Liberty International Airport to Portland International Airport · 2,434 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EWR or PDX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Newark (EWR) to Portland (PDX) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.8% were cancelled, and 8% arrived an hour or more late.
- United Airlines was the most punctual airline here (79% on time); Alaska Airlines was the least (73%).
- Departures scheduled around 6am did best (92% on time); around 4pm did worst (66%).
- Tuesday was the most reliable day to fly (80% on time) and Sunday the least (69%).
- The largest source of delay minutes was air traffic control & airport congestion (37%).
Which airline is most on time from EWR to PDX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 79% | 1.9% | 14 min | 6.5% | 520 |
| Alaska Airlines | 73% | 1.6% | 20 min | 9.1% | 379 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am92%203 flights
- 4pm66%61 flights
- 5pm73%313 flights
- 6pm74%290 flights
- 7pm48%26 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%2.4% cancelled
- Tuesday80%2.3% cancelled
- Wednesday76%0.8% cancelled
- Thursday78%3.1% cancelled
- Friday76%0.0% cancelled
- Saturday79%0.8% cancelled
- Sunday69%3.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion37%
- Late-arriving aircraft33%
- Airline (crew, maintenance, cleaning, fueling)22%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather69%
- Airline (crew, maintenance, cleaning, fueling)19%
- Air traffic control & airport congestion13%
- Security0%
EWR to PDX: common questions
- How often are EWR to PDX flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Newark to Portland cancelled?
- 1.8% of scheduled flights were cancelled (16 of 899).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 67 min behind schedule on average, and 7.6% of flights were an hour or more late.
- How long is taxi time at EWR?
- Flights on this route spent 27 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PDX to EWR — 84% on time
More flights from Newark
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EWR → PDX, nonstop flights by US airlines that report to the DOT. How we calculate this.