Delta Air Lines BIL to SLC on-time performance
Delta Air Lines nonstop flights from Billings to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
94%
arrived < 15 min late
Cancelled
0.3%
1 flights
Avg arrival delay
6 min
96 min when late
Rank on route
#1 of 2
route average 92% on time
Key facts
- Delta Air Lines flights on BIL to SLC arrived on time 94% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 2% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 92% 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%
- Air traffic control & airport congestion21%
- Late-arriving aircraft10%
- Extreme weather0%
- Security0%
Other airlines on BIL to SLC
- SkyWest Airlines90% on time · 8 min avg delay
Full BIL to SLC comparison →
Delta Air Lines on-time record across all routes →
366 Delta Air Lines flights tracked on this route; 1 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.