Delta Air Lines SLC to PDX on-time performance
Delta Air Lines nonstop flights from Salt Lake City to Portland · Aug 2025 – Jul 2026
On-time arrivals
89%
arrived < 15 min late
Cancelled
1.4%
24 flights
Avg arrival delay
7 min
56 min when late
Rank on route
#3 of 4
route average 89% on time
Key facts
- Delta Air Lines flights on SLC to PDX arrived on time 89% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 4% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 89% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (68%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)68%
- Late-arriving aircraft22%
- Air traffic control & airport congestion7%
- Extreme weather3%
- Security0%
Other airlines on SLC to PDX
- SkyWest Airlines89% on time · 7 min avg delay
- Alaska Airlines98% on time · 1 min avg delay
- Frontier Airlines66% on time · 19 min avg delay
Full SLC to PDX comparison →
Delta Air Lines on-time record across all routes →
1,698 Delta Air Lines flights tracked on this route; 24 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.