Route Reliability
Colorado Springs → San Diego
COS–SAN · 816 miles · Colorado Springs Airport to San Diego International Airport
- 74%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0%
- Cancelled
- 134
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 74% of the time across 134 flights. No comparison to make.
What the data says
Morning flights do better here.
COS–SAN flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 69% between 12–3 PM.
Friday is doing you no favors.
COS–SAN flights arrived on time 86% of the time on Sundays and just 61% on Fridays. That gap is worth planning around.
It basically never cancels.
Out of 134 scheduled flights, only 0.0% were cancelled.
Recent months have been rougher.
COS–SAN flights arrived on time 65% of the time over the last three months in the data, compared with 81% in the three months before that.
Flights on this route
The breakdown
- Mon78%(23 flights)
- Tue—(3 flights)
- Wed—(1 flights)
- Thu74%(23 flights)
- Fri61%(28 flights)
- Sat74%(27 flights)
- Sun86%(29 flights)
- 9 AM–12 PM88%(33 flights)
- 12–3 PM69%(73 flights)
- 3–6 PM73%(22 flights)
- 6–9 PM—(6 flights)
Oct 81% → May 50% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 81% | 21 |
| November 2025 | 80% | 20 |
| December 2025 | 71% | 17 |
| February 2026 | 91% | 11 |
| March 2026 | 67% | 21 |
| April 2026 | 78% | 18 |
| May 2026 | 50% | 18 |
Keep nerding
Based on 134 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.