Best Time to Fly SAN to COS: On-Time Stats by Hour & Airline
San Diego International → City of Colorado Springs Municipal
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 65.1% of San Diego (SAN) to Colorado Springs (COS) flights arrived on time (169 scheduled flights). That is 12.5 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
The cancellation rate was 0.0% (US average 1.8%).
SAN to COS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 65.1% | 43 min | 0.0% | 169 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAN to COS
On-time arrival % by scheduled departure hour (local time), 187 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 5 | |
| 9am–10am | Limited data | 1 | |
| 10am–11am | Limited data | 7 | |
| 11am–12pm | Limited data | 26 | |
| 12pm–1pm | 67.9% | 1.8% | 57 |
| 1pm–2pm | Limited data | 3 | |
| 2pm–3pm | Limited data | 5 | |
| 3pm–4pm | Limited data | 5 | |
| 4pm–5pm | 48.3% | 0.0% | 58 |
| 5pm–6pm | Limited data | 15 | |
| 6pm–7pm | Limited data | 4 | |
| 7pm–8pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAN to COS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 21 | ||
| Summer peak (Jun 15 - Aug 15) | Limited data | 27 | ||
| All other days | 70.3% | — | 0.0% | 128 |
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).