Route Reliability
Los Angeles → Portland
LAX–PDX · 833 miles · Los Angeles International Airport to Portland International Airport
- 86%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0.9%
- Cancelled
- 4,458
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines90%1,952 flights
- 2.Delta Air Lines87%1,691 flights
- 3.Frontier Airlines83%219 flights
- 4.American Airlines75%596 flights
What the data says
Morning flights do better here.
LAX–PDX flights departing between 6–9 AM arrived on time 91% of the time, versus 81% between 6–9 PM.
Wednesday comes out ahead.
A small edge: 89% on time on Wednesdays against 84% on Fridays.
Alaska Airlines runs this route best.
Alaska Airlines arrived on time 90% of the time on this route; American Airlines managed 75%.
Ticking up lately.
LAX–PDX flights arrived on time 89% of the time over the last three months in the data, compared with 85% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon88%(692 flights)
- Tue89%(572 flights)
- Wed89%(577 flights)
- Thu86%(687 flights)
- Fri84%(668 flights)
- Sat85%(538 flights)
- Sun85%(681 flights)
- 6–9 AM91%(781 flights)
- 9 AM–12 PM89%(1027 flights)
- 12–3 PM86%(886 flights)
- 3–6 PM88%(433 flights)
- 6–9 PM81%(1087 flights)
- 9 PM–12 AM83%(201 flights)
Jun 80% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 393 |
| July 2025 | 87% | 401 |
| August 2025 | 82% | 407 |
| September 2025 | 91% | 372 |
| October 2025 | 89% | 383 |
| November 2025 | 87% | 362 |
| December 2025 | 86% | 381 |
| January 2026 | 85% | 328 |
| February 2026 | 83% | 306 |
| March 2026 | 88% | 360 |
| April 2026 | 88% | 344 |
| May 2026 | 92% | 378 |
Same trip, other airports
Keep nerding
Based on 4,458 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.