Las Vegas (LAS) to Portland (PDX): On-Time Performance
Data through July 2026
When you fly LAS to PDX matters as much as anything else about the booking: the route swung from 87% on-time in February 2026 to just 61% in July 2024. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 70%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 8.1
- last 12 months
- Duration
- 2h 23m
- scheduled
- Distance
- 763 mi
Best airline from LAS to PDX
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 82% | 11 min | 0.8% | 2,955 |
| Spirit Airlines | 81% | 12 min | 0.7% | 976 |
| Frontier Airlines | 81% | 11 min | 2.1% | 430 |
| Southwest Airlines | 75% | 15 min | 0.2% | 2,498 |
Monthly on-time trend
Best time to fly from LAS to PDX
Aim for departures around 7 a.m. (92% on-time); avoid 10 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 12 min |
| Tuesday | 83% | 10 min |
| Wednesday | 85% | 9 min |
| Thursday | 74% | 17 min |
| Friday | 76% | 16 min |
| Saturdaybest | 85% | 8 min |
| Sunday | 77% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations27%
- National airspace system15%
- Weather3%
Frequently asked questions
- How often are flights from LAS to PDX delayed?
- 21% of LAS–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 13 minutes.
- Which airline is most reliable from LAS to PDX?
- Alaska Airlines has the best on-time record on this route at 82%, based on 2,955 flights. 4 airlines flew LAS–PDX frequently enough to compare in this period.
- What is the best time of day to fly from LAS to PDX?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 10 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to PDX?
- The scheduled LAS–PDX flight time averages 2h 23m over 763 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are LAS to PDX flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to PDX?
- July 2024 was the roughest month in this dataset, with only 61% of arrivals on time. The best was February 2026 at 87%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 6,885 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.