Southwest Airlines LAS to PDX on-time performance
Southwest Airlines nonstop flights from Las Vegas to Portland · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
0.2%
2 flights
Avg arrival delay
16 min
53 min when late
Rank on route
#4 of 4
route average 79% on time
Key facts
- Southwest Airlines flights on LAS to PDX arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 8% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (60%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion4%
- Extreme weather1%
- Security0%
Other airlines on LAS to PDX
- Alaska Airlines84% on time · 10 min avg delay
- Frontier Airlines75% on time · 15 min avg delay
- Spirit Airlines88% on time · 7 min avg delay
Full LAS to PDX comparison →
Southwest Airlines on-time record across all routes →
1,150 Southwest Airlines flights tracked on this route; 2 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.