Southwest Airlines DEN to GEG on-time performance
Southwest Airlines nonstop flights from Denver to Spokane · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
0.2%
2 flights
Avg arrival delay
15 min
47 min when late
Rank on route
#4 of 4
route average 77% on time
Key facts
- Southwest Airlines flights on DEN to GEG arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 7% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (55%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion11%
- Extreme weather2%
- Security0%
Other airlines on DEN to GEG
- United Airlines77% on time · 14 min avg delay
- SkyWest Airlines90% on time · 6 min avg delay
- Frontier Airlines87% on time · 6 min avg delay
Full DEN to GEG comparison →
Southwest Airlines on-time record across all routes →
857 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.