LAX to PDX flight delays & on-time performance
Nonstop flights from Los Angeles International Airport to Portland International Airport · 833 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAX or PDX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Los Angeles (LAX) to Portland (PDX) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.7% were cancelled, and 5% arrived an hour or more late.
- Alaska Airlines was the most punctual airline here (90% on time); SkyWest Airlines was the least (75%).
- Departures scheduled around 7am did best (93% on time); around 7pm did worst (77%).
- Wednesday was the most reliable day to fly (89% on time) and Friday the least (82%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (61%).
Which airline is most on time from LAX 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 |
|---|---|---|---|---|---|
| Alaska Airlines | 90% | 0.5% | 6 min | 2.7% | 1,846 |
| Frontier Airlines | 87% | 0.9% | 6 min | 2.3% | 219 |
| Delta Air Lines | 86% | 0.9% | 11 min | 5.9% | 1,692 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 75% | 0.3% | 22 min | 12.9% | 590 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am87%92 flights
- 7am93%617 flights
- 9am90%464 flights
- 10am84%219 flights
- 11am87%361 flights
- 1pm88%219 flights
- 2pm87%637 flights
- 3pm84%45 flights
- 4pm88%242 flights
- 5pm82%99 flights
- 6pm83%488 flights
- 7pm77%334 flights
- 8pm83%265 flights
- 9pm88%195 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%0.4% cancelled
- Tuesday89%0.0% cancelled
- Wednesday89%0.2% cancelled
- Thursday86%0.3% cancelled
- Friday82%1.2% cancelled
- Saturday86%0.7% cancelled
- Sunday85%1.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)61%
- Late-arriving aircraft32%
- Air traffic control & airport congestion6%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)86%
- Extreme weather10%
- Air traffic control & airport congestion3%
- Security0%
LAX to PDX: common questions
- How often are LAX to PDX flights on time?
- 86% 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 Los Angeles to Portland cancelled?
- 0.7% of scheduled flights were cancelled (29 of 4,347).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 5.3% of flights were an hour or more late.
- How long is taxi time at LAX?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PDX to LAX — 87% on time
More flights from Los Angeles
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAX → PDX, nonstop flights by US airlines that report to the DOT. How we calculate this.