Los Angeles (LAX) to Portland (PDX): On-Time Performance
Data through July 2026
Your airline choice is the single biggest lever on LAX–PDX. Spirit Airlines arrives on time 95% of the time; SkyWest Airlines trails at 79% — a 17-point spread on the exact same city pair. The route as a whole runs 87% on-time.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 12
- last 12 months
- Duration
- 2h 27m
- scheduled
- Distance
- 833 mi
Best airline from LAX to PDX
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 95% | 4 min | 2.7% | 111 |
| Alaska Airlines | 90% | 6 min | 1.0% | 4,100 |
| Delta Air Lines | 87% | 10 min | 0.8% | 3,498 |
| Frontier Airlines | 85% | 10 min | 1.3% | 395 |
| SkyWest Airlines | 79% | 17 min | 0.2% | 1,299 |
Monthly on-time trend
Best time to fly from LAX to PDX
Aim for departures around 6 a.m. (94% on-time); avoid 8 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 9 min |
| Tuesday | 89% | 7 min |
| Wednesdaybest | 89% | 8 min |
| Thursday | 87% | 8 min |
| Friday | 84% | 12 min |
| Saturday | 87% | 9 min |
| Sunday | 85% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations56%
- National airspace system8%
- Weather1%
Frequently asked questions
- How often are flights from LAX to PDX delayed?
- 13% of LAX–PDX 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 9 minutes.
- Which airline is most reliable from LAX to PDX?
- Spirit Airlines has the best on-time record on this route at 95%, based on 111 flights. 5 airlines flew LAX–PDX frequently enough to compare in this period.
- What is the best time of day to fly from LAX to PDX?
- Departures around 6 a.m. have the best record (94% on-time), while departures around 8 p.m. have the worst (78%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAX to PDX?
- The scheduled LAX–PDX flight time averages 2h 27m over 833 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are LAX to PDX flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for LAX to PDX?
- Wednesday flights have the best record at 89% on-time. Day-of-week differences on this route are modest.
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Based on 9,403 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.