Southwest Airlines PHX to GEG on-time performance
Southwest Airlines nonstop flights from Phoenix to Spokane · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
11 min
38 min when late
Rank on route
#2 of 4
route average 75% on time
Key facts
- Southwest Airlines flights on PHX to GEG arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (48%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)40%
- Air traffic control & airport congestion11%
- Extreme weather1%
- Security0%
Other airlines on PHX to GEG
- American Airlines76% on time · 18 min avg delay
- Frontier Airlines69% on time · 25 min avg delay
- Envoy Air70% on time · 14 min avg delay
Full PHX to GEG comparison →
Southwest Airlines on-time record across all routes →
616 Southwest Airlines flights tracked on this route; 2 cancelled, 2 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.