Delta Air Lines SEA to GEG on-time performance
Delta Air Lines nonstop flights from Seattle to Spokane · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
1.5%
5 flights
Avg arrival delay
23 min
77 min when late
Rank on route
#3 of 3
route average 83% on time
Key facts
- Delta Air Lines flights on SEA to GEG arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 9% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (60%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)60%
- Late-arriving aircraft29%
- Air traffic control & airport congestion6%
- Extreme weather5%
- Security0%
Other airlines on SEA to GEG
- SkyWest Airlines88% on time · 8 min avg delay
- Alaska Airlines78% on time · 11 min avg delay
Full SEA to GEG comparison →
Delta Air Lines on-time record across all routes →
343 Delta Air Lines flights tracked on this route; 5 cancelled, 0 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.