Delta Air Lines SLC to GEG on-time performance
Delta Air Lines nonstop flights from Salt Lake City to Spokane · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.7%
7 flights
Avg arrival delay
16 min
79 min when late
Rank on route
#2 of 2
route average 86% on time
Key facts
- Delta Air Lines flights on SLC to GEG arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (69%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)69%
- Late-arriving aircraft15%
- Air traffic control & airport congestion9%
- Extreme weather8%
- Security0%
Other airlines on SLC to GEG
- SkyWest Airlines93% on time · 5 min avg delay
Full SLC to GEG comparison →
Delta Air Lines on-time record across all routes →
952 Delta Air Lines flights tracked on this route; 7 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.