Delta Air Lines ORD to SLC on-time performance
Delta Air Lines nonstop flights from Chicago to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
1.0%
10 flights
Avg arrival delay
32 min
108 min when late
Rank on route
#2 of 5
route average 70% on time
Key facts
- Delta Air Lines flights on ORD to SLC arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 70% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft27%
- Extreme weather13%
- Air traffic control & airport congestion12%
- Security0%
Other airlines on ORD to SLC
- United Airlines73% on time · 19 min avg delay
- American Airlines65% on time · 25 min avg delay
- SkyWest Airlines68% on time · 30 min avg delay
- Envoy Air61% on time · 20 min avg delay
Full ORD to SLC comparison →
Delta Air Lines on-time record across all routes →
1,013 Delta Air Lines flights tracked on this route; 10 cancelled, 3 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.