Delta Air Lines SLC to PHX on-time performance
Delta Air Lines nonstop flights from Salt Lake City to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
88%
arrived < 15 min late
Cancelled
0.5%
9 flights
Avg arrival delay
8 min
56 min when late
Rank on route
#1 of 6
route average 84% on time
Key facts
- Delta Air Lines flights on SLC to PHX arrived on time 88% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 6 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (56%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)56%
- Late-arriving aircraft23%
- Air traffic control & airport congestion21%
- Extreme weather1%
- Security0%
Other airlines on SLC to PHX
- Southwest Airlines79% on time · 12 min avg delay
- SkyWest Airlines86% on time · 18 min avg delay
- Frontier Airlines83% on time · 16 min avg delay
- American Airlines85% on time · 11 min avg delay
- Envoy Air86% on time · 6 min avg delay
Full SLC to PHX comparison →
Delta Air Lines on-time record across all routes →
1,709 Delta Air Lines flights tracked on this route; 9 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.