Route Reliability
Colorado Springs → Salt Lake City
COS–SLC · 411 miles · Colorado Springs Airport to Salt Lake City International Airport
- 93%
- Arrive within 15 minutes
- 8 min early
- Average arrival delay
- 0.1%
- Cancelled
- 686
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 93% of the time across 686 flights. No comparison to make.
What the data says
Morning flights do better here.
COS–SLC flights departing between 6–9 AM arrived on time 96% of the time, versus 86% between 3–6 PM.
Saturday comes out ahead.
A small edge: 96% on time on Saturdays against 89% on Sundays.
It basically never cancels.
Out of 686 scheduled flights, only 0.1% were cancelled.
Ticking up lately.
COS–SLC flights arrived on time 96% of the time over the last three months in the data, compared with 92% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
The breakdown
- Mon95%(99 flights)
- Tue94%(99 flights)
- Wed93%(96 flights)
- Thu95%(96 flights)
- Fri91%(97 flights)
- Sat96%(97 flights)
- Sun89%(100 flights)
- 6–9 AM96%(365 flights)
- 9 AM–12 PM96%(49 flights)
- 12–3 PM93%(98 flights)
- 3–6 PM86%(134 flights)
- 6–9 PM87%(38 flights)
Jun 97% → May 98% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 82% | 56 |
| August 2025 | 89% | 62 |
| September 2025 | 93% | 60 |
| October 2025 | 100% | 60 |
| November 2025 | 95% | 57 |
| December 2025 | 90% | 58 |
| January 2026 | 90% | 61 |
| February 2026 | 95% | 56 |
| March 2026 | 95% | 62 |
| April 2026 | 95% | 60 |
| May 2026 | 98% | 62 |
Keep nerding
Based on 686 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.