Delta Air Lines PDX to SLC on-time performance
Delta Air Lines nonstop flights from Portland to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
91%
arrived < 15 min late
Cancelled
1.5%
25 flights
Avg arrival delay
6 min
62 min when late
Rank on route
#2 of 4
route average 89% on time
Key facts
- Delta Air Lines flights on PDX to SLC arrived on time 91% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 89% on time overall.
- The largest source of delay minutes was late-arriving aircraft (62%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft62%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion7%
- Extreme weather0%
- Security0%
Other airlines on PDX to SLC
- SkyWest Airlines86% on time · 10 min avg delay
- Alaska Airlines94% on time · 3 min avg delay
- Frontier Airlines63% on time · 32 min avg delay
Full PDX to SLC comparison →
Delta Air Lines on-time record across all routes →
1,699 Delta Air Lines flights tracked on this route; 25 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.